Update dependency typescript to v6 - autoclosed #1403

Job	Run time
Make RTC sdist	15s
Build RTC wheels (x86_64)	56s
Generating protobuf	18s
Build RTC wheels (aarch64)	1m 12s
Build RTC wheels (x86_64 arm64)	56s
Build RTC wheels (AMD64)	1m 22s
Test (ubuntu-latest, Python 3.9) / Test (ubuntu-latest, Python 3.9)	46s
Test (ubuntu-latest, Python 3.11) / Test (ubuntu-latest, Python 3.11)	28s
Test (windows-latest, Python 3.12) / Test (windows-latest, Python 3.12)	58s
Test (ubuntu-latest, Python 3.13) / Test (ubuntu-latest, Python 3.13)	28s
Test (macos-latest, Python 3.12) / Test (macos-latest, Python 3.12)	39s
Test (ubuntu-latest, Python 3.12) / Test (ubuntu-latest, Python 3.12)	28s
Test (windows-latest, Python 3.9) / Test (windows-latest, Python 3.9)	1m 34s
Test (ubuntu-latest, Python 3.10) / Test (ubuntu-latest, Python 3.10)	29s
Test (macos-latest, Python 3.14) / Test (macos-latest, Python 3.14)	38s
Test (macos-latest, Python 3.9) / Test (macos-latest, Python 3.9)	1m 26s
Test (ubuntu-latest, Python 3.14) / Test (ubuntu-latest, Python 3.14)	29s
Test (windows-latest, Python 3.14) / Test (windows-latest, Python 3.14)	1m 28s
Publish RTC release	0s
docs	0s
	14m 50s

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