Update dependency typescript to ~5.9.0 - autoclosed #1309

Job	Run time
Generating protobuf	22s
Make RTC sdist	14s
Build RTC wheels (x86_64 arm64)	1m 13s
Build RTC wheels (x86_64)	1m 14s
Build RTC wheels (AMD64)	1m 42s
Build RTC wheels (aarch64)	1m 17s
Test (macos-latest, Python 3.12) / Test (macos-latest, Python 3.12)	38s
Test (macos-latest, Python 3.9) / Test (macos-latest, Python 3.9)	1m 5s
Test (windows-latest, Python 3.12) / Test (windows-latest, Python 3.12)	59s
Test (macos-latest, Python 3.14) / Test (macos-latest, Python 3.14)	39s
Test (ubuntu-latest, Python 3.9) / Test (ubuntu-latest, Python 3.9)	33s
Test (windows-latest, Python 3.14) / Test (windows-latest, Python 3.14)	1m 38s
Test (ubuntu-latest, Python 3.10) / Test (ubuntu-latest, Python 3.10)	35s
Test (ubuntu-latest, Python 3.14) / Test (ubuntu-latest, Python 3.14)	37s
Test (windows-latest, Python 3.9) / Test (windows-latest, Python 3.9)	1m 52s
Test (ubuntu-latest, Python 3.11) / Test (ubuntu-latest, Python 3.11)	31s
Test (ubuntu-latest, Python 3.13) / Test (ubuntu-latest, Python 3.13)	37s
Test (ubuntu-latest, Python 3.12) / Test (ubuntu-latest, Python 3.12)	27s
Publish RTC release	0s
docs	0s
	16m 13s

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