Update chat/element-web to 1.7.26

Changes in [1.7.26](https://github.com/vector-im/element-web/releases/tag/v1.7.26) (2021-04-26)
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[Full Changelog](https://github.com/vector-im/element-web/compare/v1.7.26-rc.1...v1.7.26)

* Upgrade to React SDK 3.19.0 and JS SDK 10.0.0

Changes in [1.7.26-rc.1](https://github.com/vector-im/element-web/releases/tag/v1.7.26-rc.1) (2021-04-21)
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[Full Changelog](https://github.com/vector-im/element-web/compare/v1.7.25...v1.7.26-rc.1)

* Upgrade to React SDK 3.19.0-rc.1 and JS SDK 10.0.0-rc.1
* Translations update from Weblate
  [\#17031](https://github.com/vector-im/element-web/pull/17031)
* Bump ssri from 6.0.1 to 6.0.2
  [\#17010](https://github.com/vector-im/element-web/pull/17010)
* Fix `NODE_ENV` value for CI environments
  [\#17003](https://github.com/vector-im/element-web/pull/17003)
* Use React production mode in CI builds
  [\#16969](https://github.com/vector-im/element-web/pull/16969)
* Labs documentation for DND mode
  [\#16962](https://github.com/vector-im/element-web/pull/16962)
* Rename blackboxing to new option ignore list
  [\#16965](https://github.com/vector-im/element-web/pull/16965)
* Remove velocity-animate from lockfile
  [\#16963](https://github.com/vector-im/element-web/pull/16963)
* Add mobile download link configuration
  [\#16890](https://github.com/vector-im/element-web/pull/16890)
* Switch develop to not-staging Scalar by default
  [\#16883](https://github.com/vector-im/element-web/pull/16883)
* Support a config option to skip login/welcome and go to SSO
  [\#16880](https://github.com/vector-im/element-web/pull/16880)

Changes in [1.7.25](https://github.com/vector-im/element-web/releases/tag/v1.7.25) (2021-04-12)
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[Full Changelog](https://github.com/vector-im/element-web/compare/v1.7.25-rc.1...v1.7.25)

* Upgrade to React SDK 3.18.0 and JS SDK 9.11.0

Changes in [1.7.25-rc.1](https://github.com/vector-im/element-web/releases/tag/v1.7.25-rc.1) (2021-04-07)
=========================================================================================================
[Full Changelog](https://github.com/vector-im/element-web/compare/v1.7.24...v1.7.25-rc.1)

* Upgrade to React SDK 3.18.0-rc.1 and JS SDK 9.11.0-rc.1
* Translations update from Weblate
  [\#16882](https://github.com/vector-im/element-web/pull/16882)
* Revert "Docker image: serve pre-compressed assets using gzip_static"
  [\#16838](https://github.com/vector-im/element-web/pull/16838)
* Move native node modules documentation to element-desktop
  [\#16814](https://github.com/vector-im/element-web/pull/16814)
* Add user settings for warn before exit
  [\#16781](https://github.com/vector-im/element-web/pull/16781)
* Change ISSUE_TEMPLATE bold lines to proper headers
  [\#16768](https://github.com/vector-im/element-web/pull/16768)
* Add example for deployment into Kubernetes
  [\#16447](https://github.com/vector-im/element-web/pull/16447)
* Create bare-bones `PULL_REQUEST_TEMPLATE.md`
  [\#16770](https://github.com/vector-im/element-web/pull/16770)
* Add webpack config and labs flag docs for voice messages
  [\#16705](https://github.com/vector-im/element-web/pull/16705)

Changes in [1.7.24](https://github.com/vector-im/element-web/releases/tag/v1.7.24) (2021-03-29)
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[Full Changelog](https://github.com/vector-im/element-web/compare/v1.7.24-rc.1...v1.7.24)

* Upgrade to React SDK 3.17.0 and JS SDK 9.10.0

Changes in [1.7.24-rc.1](https://github.com/vector-im/element-web/releases/tag/v1.7.24-rc.1) (2021-03-25)
=========================================================================================================
[Full Changelog](https://github.com/vector-im/element-web/compare/v1.7.23...v1.7.24-rc.1)

* Upgrade to React SDK 3.17.0-rc.2 and JS SDK 9.10.0-rc.1
* Translations update from Weblate
  [\#16766](https://github.com/vector-im/element-web/pull/16766)
* Docker image: serve pre-compressed assets using gzip_static
  [\#16698](https://github.com/vector-im/element-web/pull/16698)
* Fix style lint issues
  [\#16732](https://github.com/vector-im/element-web/pull/16732)
* Updated expected webpack output in setup guide
  [\#16740](https://github.com/vector-im/element-web/pull/16740)
* Docs for `loginForWelcome`
  [\#16468](https://github.com/vector-im/element-web/pull/16468)
* Disable rageshake persistence if no logs would be submitted
  [\#16697](https://github.com/vector-im/element-web/pull/16697)

Changes in [1.7.23](https://github.com/vector-im/element-web/releases/tag/v1.7.23) (2021-03-15)
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[Full Changelog](https://github.com/vector-im/element-web/compare/v1.7.23-rc.1...v1.7.23)

* Upgrade to React SDK 3.16.0 and JS SDK 9.9.0

Changes in [1.7.23-rc.1](https://github.com/vector-im/element-web/releases/tag/v1.7.23-rc.1) (2021-03-10)
=========================================================================================================
[Full Changelog](https://github.com/vector-im/element-web/compare/v1.7.22...v1.7.23-rc.1)

* Upgrade to React SDK 3.16.0-rc.2 and JS SDK 9.9.0-rc.1
* Translations update from Weblate
  [\#16655](https://github.com/vector-im/element-web/pull/16655)
* Improve docs for customisations
  [\#16652](https://github.com/vector-im/element-web/pull/16652)
* Update triage guide to match the new label scheme
  [\#16612](https://github.com/vector-im/element-web/pull/16612)
* Remove a couple useless 'use strict' calls
  [\#16650](https://github.com/vector-im/element-web/pull/16650)
* Remove old conferencing doc
  [\#16648](https://github.com/vector-im/element-web/pull/16648)
* Bump elliptic from 6.5.3 to 6.5.4
  [\#16644](https://github.com/vector-im/element-web/pull/16644)
* Add option for audio live streaming
  [\#16604](https://github.com/vector-im/element-web/pull/16604)
* Update velocity-animate dependency
  [\#16605](https://github.com/vector-im/element-web/pull/16605)
* Add Edge to the supported tier
  [\#16611](https://github.com/vector-im/element-web/pull/16611)
* Add multi language spell check
  [\#15851](https://github.com/vector-im/element-web/pull/15851)
* Document feature_spaces
  [\#16538](https://github.com/vector-im/element-web/pull/16538)

(js)