ci: Set MACOSX_DEPLOYMENT_TARGET to 10.10 for x86_64, 11.0 for arm64 #4601

Job	Run time
rustfmt-clippy	2m 11s
build-macos (Cargo build (x64), cargo-build, x86_64-apple-darwin)	5m 18s
build-macos (Cargo test (x64), cargo-test, x86_64-apple-darwin)	8m 15s
build-macos (Cargo C-build (x64), cargo-c, x86_64-apple-darwin)	7m 51s
build-macos (Cargo build (Arm64), cargo-build, aarch64-apple-darwin)	5m 10s
build-macos (Cargo C-build (Arm64), cargo-c, aarch64-apple-darwin)	6m 34s
build-unix (beta-build)	4m 37s
build-unix (1.65.0-tests)	10m 3s
build-unix (aom-tests)	8m 14s
build-unix (dav1d-tests)	8m 30s
build-unix (no-asm-tests)	17m 43s
build-unix (grcov-codecov)	17m 37s
build-unix (bench)	5m 49s
build-unix (doc)	3m 27s
build-unix (cargo-c)	7m 8s
build-unix (check-no-default)	1m 42s
build-unix (check-extra-feats)	3m 25s
build-unix (check-unstable-feats)	3m 13s
build-unix (fuzz)	7m 55s
build-unix (dav1d-tests-arm64, stable)	9m 59s
build-windows (cargo-build, x86_64-pc-windows-msvc)	10m 34s
build-windows (cargo-test, x86_64-pc-windows-msvc)	16m 28s
build-windows (cargo-c, x86_64-pc-windows-gnu)	14m 55s
	3h 6m 38s

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