Update FreeBSD docs to refer to 14.1 #3967

Job	Run time
coverage ubuntu-20.04 rust nightly	4m 30s
check_features (azure)	40s
coverage macos-13 rust nightly	7m 58s
build sccache x86_64-unknown-linux-musl	6m 12s
clippy ubuntu-latest	1m 15s
clippy macOS-latest	1m 26s
build sccache-dist x86_64-unknown-linux-musl	4m 22s
build sccache aarch64-unknown-linux-musl	6m 13s
clippy windows-latest	2m 9s
check_features (gcs)	53s
rustfmt ubuntu-latest	10s
build sccache armv7-unknown-linux-musleabi	5m 58s
check_features (gha)	46s
test ubuntu-20.04 rust 1.75.0	2m 50s
test ubuntu-22.04 rust 1.75.0 dist-server	3m 6s
build sccache i686-unknown-linux-musl	6m 5s
check_features (memcached)	35s
check_features (redis)	51s
build sccache x86_64-apple-darwin	13m 3s
test ubuntu-20.04 rust stable	2m 35s
check_features (s3)	46s
build sccache aarch64-apple-darwin	6m 53s
test ubuntu-20.04 rust beta	2m 26s
test freebsd-14.1 rust stable (ubuntu-22.04)	8m 13s
check_features (webdav)	42s
build sccache x86_64-pc-windows-msvc	14m 55s
test ubuntu-20.04 rust nightly	2m 58s
test ubuntu-20.04 rust stable no-default-features	1m 39s
build sccache aarch64-pc-windows-msvc	16m 17s
toml_format	13s
test ubuntu-22.04 rust stable	2m 28s
test macos-13 rust stable	3m 42s
test macos-14 rust stable	3m 9s
test windows-2019 rust 1.75.0	4m 48s
test windows-2019 rust nightly	4m 53s
test windows-2019 rust beta	4m 27s
release	0s
	2h 30m 6s

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