hub: Update to 2.11.2

Changes:
2.11.2
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  * Avoid crash in hub remote argument parsing
  * Fix hub -C mydir merge <URL> by propagating global git arguments to Before/
    After chains
  * Preserve tilde ~ character in man pages

2.11.1
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  * Fix non-draft pull requests for certain repositories

2.11.0
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  * Create draft pull requests with hub pull-request --draft
    Draft pull requests are considered work in progress: they don't
    automatically request others for review and they are not mergeable while in
    their draft state.

2.10.2
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  * Fix compatibility with git when run with no arguments: hub --git-dir=.git
  * Fix issue/PR --format %L output in no-color mode

2.10.1
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  * Fix writing over existing cache files in hub api
  * Allow repository names that start with a - character
  * List api among custom hub commands in help

(leot)