chore(v4.2.x): release 4.2.3

[github-actions]

🤖 I have created a release beep boop

4.2.3 (2022-10-29)

Bug Fixes

• ads: Fix IMA crash when autoplay is rejected (#4518) (871a3c0), closes #4179
• Fix HLS live stream subtitle offsets (#4586) (ec0b4dc)
• Fix multi-period DASH with descriptive audio (#4629) (0e70b87), closes #4500
• fix support clear and encrypted periods (#4606) (8ece8ea)
• Force using mcap polyfill on EOS browsers (#4630) (6b9f806)
• hls: Fix raw format detection when the main playlist hasn't type (#4583) (4053088)
• Limit key ids to 32 characters (#4614) (6fc1455)
• Make XML parsing secure (#4598) (2e45696)
• offline: Add storage muxer init timeout (#4566) (6022907)
• playhead: Safeguard getStallsDetected as stallDetector can be null (#4581) (c4ee14f)
• Resolve load failures for TS-based content on Android-based Cast devices (#4569). (#4570) (4a4f48d)

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[github-actions]

🤖 Release is at https://github.com/shaka-project/shaka-player/releases/tag/v4.2.3 🌻