E2E Test: audio/video publish & subscribe #1326

Job	Run time
Make RTC sdist	18s
Generating protobuf	25s
Build RTC wheels (x86_64 arm64)	1m 0s
Build RTC wheels (AMD64)	1m 58s
Build RTC wheels (aarch64)	1m 16s
Build RTC wheels (x86_64)	53s
Test (macos-latest, Python 3.12) / Test (macos-latest, Python 3.12)	47s
Test (macos-latest, Python 3.14) / Test (macos-latest, Python 3.14)	43s
Test (macos-latest, Python 3.9) / Test (macos-latest, Python 3.9)	1m 10s
Test (windows-latest, Python 3.12) / Test (windows-latest, Python 3.12)	58s
Test (ubuntu-latest, Python 3.12) / Test (ubuntu-latest, Python 3.12)	28s
Test (ubuntu-latest, Python 3.10) / Test (ubuntu-latest, Python 3.10)	32s
Test (windows-latest, Python 3.14) / Test (windows-latest, Python 3.14)	55s
Test (ubuntu-latest, Python 3.11) / Test (ubuntu-latest, Python 3.11)	26s
Test (ubuntu-latest, Python 3.14) / Test (ubuntu-latest, Python 3.14)	36s
Test (ubuntu-latest, Python 3.13) / Test (ubuntu-latest, Python 3.13)	39s
Test (windows-latest, Python 3.9) / Test (windows-latest, Python 3.9)	1m 44s
Test (ubuntu-latest, Python 3.9) / Test (ubuntu-latest, Python 3.9)	34s
docs	0s
Publish RTC release	0s
	15m 22s

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