chore: Merge CI changes from neqo #108

Job	Run time
Determine toolchains	3s
cargo clippy (ubuntu-24.04, 1.90.0)	3m 38s
cargo clippy (macos-15, 1.90.0)	6m 35s
cargo clippy (macos-15, nightly)	6m 30s
cargo clippy (ubuntu-24.04, stable)	3m 0s
cargo clippy (ubuntu-24.04, nightly)	3m 29s
cargo clippy (windows-2025, stable)	8m 0s
cargo clippy (windows-2025, nightly)	8m 57s
cargo clippy (macos-15, stable)	4m 58s
cargo clippy (windows-2025, 1.90.0)	9m 27s
	54m 37s

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