The macOS `head` binary doesn't support `-1` so switch to `sed`. #3074

Job	Run time
Build binary	30s
Semver: core-graphics	39s
Build binary (Windows)	3m 12s
Check lint and rustfmt	19s
Run tests (1.81, false)	2m 44s
Run tests (1.82, false)	2m 43s
Check if version changed	6s
Run tests (stable, false)	2m 43s
Run tests (beta, false)	2m 50s
Run tests (nightly, true)	2m 45s
Caching across rustdoc versions	1m 41s
Semver: bevy_gltf v0.9.1	53s
Caching with feature config changed	25s
Semver: bevy_core v0.9.0	32s
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 7s
Semver: libp2p-uds 0.37.0	56s
Semver: libp2p-core 0.37.0	51s
Semver: clap v3.2.0	45s
Semver: sqllogictest v0.13.0	25s
Semver: tokio ~v1.25.0 (explicit)	2s
Semver: tokio ~v1.25.0 (implicit)	2s
Check failure when installed rustc is too old	21s
Semver: dependency has warnings with "-Dwarnings" (libp2p v0.53.1)	1m 8s
Semver: perf-event-open-sys2 v5.0.0	17s
Semver: ref-slice fork (git)	18s
Semver: ref-slice fork (sparse)	13s
Semver: ref-slice fork (Windows) (git)	1m 19s
Semver: ref-slice fork (Windows) (sparse)	1m 3s
All CI stages	1s
Check for semver compliance	0s
Run the release workflow	0s
	32m 9s

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