refactor: 'features' -> 'feature' in WIT & Rust component (#270) #877

Job	Run time
build-splicer (windows-latest)	4m 12s
build-splicer (ubuntu-latest)	1m 58s
lint	51s
build (release)	12s
build (debug)	12s
build (weval)	7s
test-example	41s
test (23.10.0, ubuntu-latest, debug)	7m 32s
test (23.10.0, ubuntu-latest, release)	6m 48s
test (23.10.0, macos-latest, debug)	8m 3s
test (23.10.0, windows-latest, debug)	9m 23s
test (23.10.0, ubuntu-latest, weval)	9m 58s
test (23.10.0, macos-latest, release)	5m 34s
test (23.10.0, windows-latest, release)	8m 2s
test (23.10.0, windows-latest, weval)	12m 42s
test (23.10.0, macos-latest, weval)	10m 0s
	1h 26m 15s

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