Refactor data generation to be cleaner and more principled. #2994

Job	Run time
Check lint and rustfmt	20s
Build binary (Windows)	2m 24s
Semver: core-graphics	55s
Build binary	36s
Run tests (1.80, false)	3m 4s
Check if version changed	8s
Run tests (1.81, false)	3m 9s
Run tests (stable, false)	2m 57s
Run tests (beta, false)	2m 44s
Run tests (nightly, true)	2m 41s
Semver: libp2p-core 0.37.0	2m 3s
Caching across rustdoc versions	1m 28s
Caching with feature config changed	54s
Semver: bevy_gltf v0.9.1	1m 55s
Semver: bevy_core v0.9.0	53s
Semver: libp2p-dcutr 1.62.0 and libp2p-relay 0.14.0	1m 47s
Semver: libp2p-gossipsub ~0.44.0 + libp2p-request-response ~0.24.0	1m 59s
Semver: libp2p-uds 0.37.0	1m 21s
Semver: clap v3.2.0	39s
Semver: dependency has warnings with "-Dwarnings" (libp2p v0.53.1)	2m 14s
Semver: ref-slice fork (git)	1m 11s
Semver: ref-slice fork (sparse)	19s
Semver: sqllogictest v0.13.0	1m 7s
Semver: tokio ~v1.25.0 (explicit)	3s
Semver: tokio ~v1.25.0 (implicit)	4s
Check failure when installed rustc is too old	18s
Semver: perf-event-open-sys2 v5.0.0	11s
Semver: ref-slice fork (Windows) (git)	1m 15s
Semver: ref-slice fork (Windows) (sparse)	58s
All CI stages	1s
Check for semver compliance	0s
Run the release workflow	0s
	39m 38s

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