Add support for nested CSS in ts, js and tsx #3594

Job	Run time
Test with MIME database	1m 58s
Test Linux (latest stable Rust)	1m 47s
Test aarch64-unknown-linux-gnu	2m 28s
Test x86_64-apple-darwin	6m 36s
Test x86_64-pc-windows-msvc	2m 13s
Output Regression Test	2m 28s
Test aarch64-apple-darwin	2m 43s
Test aarch64-pc-windows-msvc	2m 40s
Check Linux Packaging	2m 4s
Test x86_64-unknown-linux-musl	2m 35s
Actionlint	11s
Typo Check	10s
Rustfmt	17s
Test x86_64-unknown-linux-gnu	1m 57s
	30m 7s

Provide feedback