Add support for nested CSS in ts, js and tsx #3595

Job	Run time
Output Regression Test	2m 29s
Test with MIME database	2m 0s
Rustfmt	19s
Test Linux (latest stable Rust)	2m 3s
Check Linux Packaging	2m 0s
Test x86_64-unknown-linux-gnu	2m 8s
Test aarch64-unknown-linux-gnu	3m 28s
Test x86_64-apple-darwin	8m 39s
Test x86_64-pc-windows-msvc	2m 44s
Test aarch64-apple-darwin	2m 41s
Test x86_64-unknown-linux-musl	2m 45s
Test aarch64-pc-windows-msvc	2m 33s
Actionlint	15s
Typo Check	11s
	34m 15s

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