refactor: 'features' -> 'feature' in WIT & Rust component #870

Job	Run time
lint	46s
build-splicer (ubuntu-latest)	1m 58s
build-splicer (windows-latest)	5m 3s
build (release)	12s
build (debug)	7s
build (weval)	7s
test-example	43s
test (23.10.0, ubuntu-latest, release)	6m 44s
test (23.10.0, ubuntu-latest, debug)	7m 40s
test (23.10.0, ubuntu-latest, weval)	10m 16s
test (23.10.0, windows-latest, debug)	8m 41s
test (23.10.0, windows-latest, weval)	12m 53s
test (23.10.0, macos-latest, weval)	8m 6s
test (23.10.0, macos-latest, release)	5m 57s
test (23.10.0, macos-latest, debug)	5m 39s
test (23.10.0, windows-latest, release)	7m 41s
	1h 22m 33s

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