Add `feature_not_enabled_by_default` lint. #3144

Job	Run time
Build binary	38s
Build binary (Windows)	3m 40s
Check lint and rustfmt	19s
Semver: core-graphics	49s
Run tests (1.81, false)	4m 38s
Check if version changed	6s
Run tests (1.82, false)	4m 33s
Run tests (stable, false)	4m 25s
Run tests (beta, false)	4m 34s
Run tests (nightly, true)	4m 21s
Caching across rustdoc versions	1m 32s
Check failure when installed rustc is too old	13s
Semver: bevy_core v0.9.0	36s
Caching with feature config changed	28s
Semver: bevy_gltf v0.9.1	1m 1s
Semver: clap v3.2.0	47s
Semver: libp2p-dcutr 1.62.0 and libp2p-relay 0.14.0	1m 19s
Semver: libp2p-gossipsub ~0.44.0 + libp2p-request-response ~0.24.0	1m 16s
Semver: libp2p-uds 0.37.0	59s
Semver: dependency has warnings with "-Dwarnings" (libp2p v0.53.1)	1m 6s
Semver: perf-event-open-sys2 v5.0.0	21s
Semver: ref-slice fork (git)	21s
Semver: libp2p-core 0.37.0	51s
Semver: ref-slice fork (sparse)	28s
Semver: sqllogictest v0.13.0	34s
Semver: tokio ~v1.25.0 (explicit)	4s
Semver: tokio ~v1.25.0 (implicit)	3s
Semver: ref-slice fork (Windows) (git)	1m 27s
Semver: ref-slice fork (Windows) (sparse)	1m 15s
All CI stages	1s
Check for semver compliance	0s
Run the release workflow	0s
	42m 45s

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