sccache: prepare new release #3969

Job	Run time
coverage ubuntu-20.04 rust nightly	4m 29s
clippy ubuntu-latest	1m 10s
coverage macos-13 rust nightly	8m 17s
check_features (azure)	42s
clippy macOS-latest	1m 2s
build sccache x86_64-unknown-linux-musl	6m 4s
check_features (gcs)	47s
clippy windows-latest	2m 6s
build sccache-dist x86_64-unknown-linux-musl	4m 18s
check_features (gha)	35s
rustfmt ubuntu-latest	10s
build sccache aarch64-unknown-linux-musl	6m 16s
test ubuntu-20.04 rust 1.75.0	2m 49s
check_features (memcached)	35s
build sccache armv7-unknown-linux-musleabi	5m 55s
test ubuntu-22.04 rust 1.75.0 dist-server	3m 8s
check_features (redis)	40s
build sccache i686-unknown-linux-musl	5m 52s
test ubuntu-20.04 rust stable	2m 29s
check_features (s3)	47s
build sccache x86_64-apple-darwin	9m 34s
test freebsd-14.1 rust stable (ubuntu-22.04)	7m 58s
check_features (webdav)	38s
build sccache aarch64-apple-darwin	4m 36s
build sccache x86_64-pc-windows-msvc	15m 13s
test ubuntu-20.04 rust beta	2m 25s
build sccache aarch64-pc-windows-msvc	16m 30s
toml_format	14s
test ubuntu-20.04 rust nightly	2m 28s
test ubuntu-20.04 rust stable no-default-features	2m 0s
test ubuntu-22.04 rust stable	2m 41s
test macos-13 rust stable	3m 31s
test macos-14 rust stable	2m 24s
test windows-2019 rust 1.75.0	4m 53s
test windows-2019 rust nightly	4m 55s
test windows-2019 rust beta	4m 40s
release	0s
	2h 22m 51s

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