Add `feature_not_enabled_by_default` lint. (#1051) #3145

Job	Run time
Build binary	45s
Build binary (Windows)	2m 40s
Check lint and rustfmt	22s
Semver: core-graphics	45s
Run tests (1.81, false)	4m 40s
Check if version changed	7s
Run tests (1.82, false)	4m 29s
Run tests (stable, false)	4m 28s
Run tests (beta, false)	4m 26s
Run tests (nightly, true)	4m 40s
Caching across rustdoc versions	1m 38s
Semver: bevy_core v0.9.0	32s
Semver: bevy_gltf v0.9.1	57s
Semver: libp2p-dcutr 1.62.0 and libp2p-relay 0.14.0	1m 10s
Caching with feature config changed	27s
Semver: libp2p-gossipsub ~0.44.0 + libp2p-request-response ~0.24.0	1m 18s
Semver: libp2p-uds 0.37.0	56s
Semver: libp2p-core 0.37.0	1m 3s
Check failure when installed rustc is too old	23s
Semver: clap v3.2.0	38s
Semver: perf-event-open-sys2 v5.0.0	27s
Semver: dependency has warnings with "-Dwarnings" (libp2p v0.53.1)	1m 11s
Semver: ref-slice fork (git)	29s
Semver: sqllogictest v0.13.0	38s
Semver: ref-slice fork (sparse)	27s
Semver: tokio ~v1.25.0 (explicit)	2s
Semver: tokio ~v1.25.0 (implicit)	5s
Semver: ref-slice fork (Windows) (git)	1m 37s
Semver: ref-slice fork (Windows) (sparse)	54s
All CI stages	1s
Check for semver compliance	0s
Run the release workflow	0s
	42m 15s

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