Add support for nested CSS in ts, js and tsx #3593

Job	Run time
Test Linux (latest stable Rust)	1m 40s
Test with MIME database	1m 58s
Test x86_64-apple-darwin	5m 30s
Test x86_64-unknown-linux-gnu	1m 58s
Test aarch64-apple-darwin	2m 3s
Test x86_64-pc-windows-msvc	2m 14s
Test x86_64-unknown-linux-musl	2m 38s
Output Regression Test	2m 33s
Test aarch64-unknown-linux-gnu	2m 30s
Check Linux Packaging	1m 59s
Actionlint	19s
Rustfmt	19s
Test aarch64-pc-windows-msvc	2m 18s
Typo Check	10s
	28m 9s

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