p5-Net-Amazon-S3: update to 0.91.

0.91 2020-08-19 23:25 +0
- fix regressions introduced by 0.90
  - undeclared dependency
  - broken usage of hashref argument in N:A:S3 construction

0.90 2020-08-18 16:00 +0
    - Support intelligent_tiering, glacier, and deep_archive storage classes
  (thanks Sherwin Daganato)
- Object availability predicate (thanks Emanuele Tomasi)
- fix default region handling (#77, #78, #80)
    - new authentication context architecture
  See Net::Amazon::S3::Authorization::IAM for future incompatiblity warning

(wiz)