feat: support `*.worker.js` tests #157

Job	Run time
Rustfmt (stable)	6s
cargo-deny	19s
block-autosquash-commits	0s
Check (ubuntu-latest, stable)	35s
Check (ubuntu-latest, beta)	34s
Check (windows-latest, stable)	1m 28s
Check (windows-latest, beta)	1m 15s
Check (macOS-latest, stable)	38s
Check (macOS-latest, beta)	34s
Documentation (stable)	26s
Test Suite (ubuntu-latest, stable)	50s
Documentation (beta)	34s
Clippy (stable)	28s
Test Suite (ubuntu-latest, beta)	55s
Clippy (beta)	34s
Test Suite (windows-latest, stable)	3m 3s
Test Suite (windows-latest, beta)	1m 58s
Test Suite (macOS-latest, stable)	52s
Test Suite (macOS-latest, beta)	1m 1s
	16m 10s

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