Fix E2EE connection failure caused by missing required protobuf fields key_ring_size and key_derivation_function in KeyProviderOptions. #1318

Job	Run time
Generating protobuf	24s
Make RTC sdist	13s
Build RTC wheels (x86_64)	54s
Build RTC wheels (aarch64)	1m 34s
Build RTC wheels (x86_64 arm64)	1m 5s
Build RTC wheels (AMD64)	1m 23s
Test (ubuntu-latest, Python 3.9) / Test (ubuntu-latest, Python 3.9)	51s
Test (windows-latest, Python 3.9) / Test (windows-latest, Python 3.9)	1m 29s
Test (windows-latest, Python 3.14) / Test (windows-latest, Python 3.14)	1m 0s
Test (windows-latest, Python 3.12) / Test (windows-latest, Python 3.12)	52s
Test (ubuntu-latest, Python 3.11) / Test (ubuntu-latest, Python 3.11)	36s
Test (ubuntu-latest, Python 3.10) / Test (ubuntu-latest, Python 3.10)	29s
Test (ubuntu-latest, Python 3.14) / Test (ubuntu-latest, Python 3.14)	33s
Test (ubuntu-latest, Python 3.12) / Test (ubuntu-latest, Python 3.12)	27s
Test (ubuntu-latest, Python 3.13) / Test (ubuntu-latest, Python 3.13)	31s
Test (macos-latest, Python 3.12) / Test (macos-latest, Python 3.12)	49s
Test (macos-latest, Python 3.9) / Test (macos-latest, Python 3.9)	1m 4s
Test (macos-latest, Python 3.14) / Test (macos-latest, Python 3.14)	36s
Publish RTC release	-1s
docs	0s
	14m 49s

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