`ruff server` refreshes diagnostics for open files when file configuration is changed #27237

Job	Run time
cargo fmt	15s
pre-commit	30s
Determine changes	8s
mkdocs	2m 19s
python package	1m 20s
cargo test (wasm)	1m 9s
cargo clippy	1m 51s
cargo test (linux)	3m 10s
cargo test (windows)	7m 27s
cargo udeps	1m 51s
cargo fuzz	4m 50s
test scripts	52s
benchmarks	4m 27s
formatter instabilities and black similarity	0s
test ruff-lsp	24s
ecosystem	8m 19s
	38m 52s

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