The macOS `head` binary doesn't support `-1` so switch to `sed`. #3075

Job	Run time
Build binary	31s
Build binary (Windows)	2m 16s
Check if version changed	12s
Check lint and rustfmt	14s
Run tests (1.81, false)	2m 44s
Run tests (1.82, false)	2m 47s
Semver: core-graphics	39s
Run tests (stable, false)	2m 34s
Run tests (beta, false)	2m 50s
Run tests (nightly, true)	2m 41s
Semver: libp2p-core 0.37.0	54s
Semver: libp2p-dcutr 1.62.0 and libp2p-relay 0.14.0	1m 16s
Caching across rustdoc versions	1m 35s
Caching with feature config changed	24s
Semver: bevy_core v0.9.0	33s
Semver: libp2p-gossipsub ~0.44.0 + libp2p-request-response ~0.24.0	1m 14s
Semver: bevy_gltf v0.9.1	56s
Semver: libp2p-uds 0.37.0	46s
Semver: sqllogictest v0.13.0	27s
Check failure when installed rustc is too old	14s
Semver: clap v3.2.0	39s
Semver: dependency has warnings with "-Dwarnings" (libp2p v0.53.1)	1m 11s
Semver: perf-event-open-sys2 v5.0.0	13s
Semver: ref-slice fork (git)	27s
Semver: tokio ~v1.25.0 (explicit)	2s
Semver: ref-slice fork (sparse)	16s
Semver: tokio ~v1.25.0 (implicit)	4s
Semver: ref-slice fork (Windows) (git)	1m 0s
Semver: ref-slice fork (Windows) (sparse)	1m 20s
All CI stages	1s
Check for semver compliance	0s
Run the release workflow	0s
	31m 0s

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