Prepare for 2.16.0 release

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 91.22%. Comparing base (d26a669) to head (76d7ebf).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1116 +/- ## ======================================= Coverage 91.22% 91.22% ======================================= Files 27 27 Lines 4561 4561 ======================================= Hits 4161 4161 Misses 400 400 ``` | [Flag](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | Coverage Δ | | |---|---|---| | [macos-12-3.10](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `90.02% <100.00%> (ø)` | | | [macos-12-3.11](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `89.95% <100.00%> (ø)` | | | [macos-12-3.12](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `90.13% <100.00%> (ø)` | | | [macos-12-3.13-dev](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `89.65% <100.00%> (ø)` | | | [macos-12-3.8](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `89.95% <100.00%> (ø)` | | | [macos-12-3.9](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `89.95% <100.00%> (ø)` | | | [macos-12-pypy3.10](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `?` | | | [ubuntu-22.04-3.10](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `90.04% <100.00%> (ø)` | | | [ubuntu-22.04-3.11](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `89.98% <100.00%> (ø)` | | | [ubuntu-22.04-3.12](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `90.15% <100.00%> (ø)` | | | [ubuntu-22.04-3.13-dev](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `89.67% <100.00%> (ø)` | | | [ubuntu-22.04-3.8](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `89.97% <100.00%> (ø)` | | | [ubuntu-22.04-3.9](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `89.97% <100.00%> (ø)` | | | [ubuntu-22.04-pypy3.10](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `90.04% <100.00%> (ø)` | | | [windows-2022-3.10](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `90.16% <ø> (ø)` | | | [windows-2022-3.11](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `90.10% <ø> (ø)` | | | [windows-2022-3.12](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `90.27% <ø> (ø)` | | | [windows-2022-3.13-dev](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `89.79% <ø> (ø)` | | | [windows-2022-3.8](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `90.09% <ø> (ø)` | | | [windows-2022-3.9](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `90.09% <ø> (ø)` | | | [windows-2022-pypy3.10](https://app.codecov.io/gh/python-babel/babel/pull/1116/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel) | `?` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=python-babel#carryforward-flags-in-the-pull-request-comment) to find out more.

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