chore(v3.2.x): release 3.2.15

[github-actions]

🤖 I have created a release beep boop

3.2.15 (2022-11-09)

Bug Fixes

• Allow overriding special handling of 404s (#4635) (43598b4), closes #4548
• cast: Reduce size of Cast update messages (#4644) (b36b95d)
• Content reload starttime with HLS on iOS (#4575) (f51f283), closes #4244
• Fix detection of ac4, dts, and dolby h265 (#4657) (1adc00a)
• HLS: Fix detection of WebVTT subtitles in HLS by extension (#4663) (8440e01)
• ui: Fix exception on screen rotation if fullscreen is not supported (#4669) (cbefdb8)

---

This PR was generated with Release Please. See documentation.

[google-cla]

Thanks for your pull request! It looks like this may be your first contribution to a Google open source project. Before we can look at your pull request, you'll need to sign a Contributor License Agreement (CLA).

View this failed invocation of the CLA check for more information.

For the most up to date status, view the checks section at the bottom of the pull request.

[github-actions]

🤖 Release is at https://github.com/shaka-project/shaka-player/releases/tag/v3.2.15 🌻