ci: Set MACOSX_DEPLOYMENT_TARGET to 10.10 for x86_64, 11.0 for arm64 #4620

Job	Run time
rustfmt-clippy	2m 38s
build-macos (Cargo build (x64), cargo-build, x86_64-apple-darwin)	4m 54s
build-unix (beta-build)	3m 55s
build-macos (Cargo test (x64), cargo-test, x86_64-apple-darwin)	6m 2s
build-unix (1.65.0-tests)	8m 7s
build-macos (Cargo C-build (x64), cargo-c, x86_64-apple-darwin)	7m 8s
build-windows (cargo-build, x86_64-pc-windows-msvc)	6m 29s
build-macos (Cargo build (Arm64), cargo-build, aarch64-apple-darwin)	5m 11s
build-windows (cargo-test, x86_64-pc-windows-msvc)	10m 3s
build-unix (aom-tests)	8m 37s
build-macos (Cargo C-build (Arm64), cargo-c, aarch64-apple-darwin)	5m 24s
build-windows (cargo-c, x86_64-pc-windows-gnu)	14m 8s
build-unix (dav1d-tests)	9m 20s
build-unix (no-asm-tests)	13m 35s
build-unix (grcov-codecov)	12m 22s
build-unix (bench)	4m 55s
build-unix (doc)	3m 53s
build-unix (cargo-c)	6m 23s
build-unix (check-no-default)	1m 57s
build-unix (check-extra-feats)	4m 7s
build-unix (check-unstable-feats)	3m 46s
build-unix (fuzz)	4m 31s
build-unix (dav1d-tests-arm64, stable)	8m 54s
	2h 36m 19s

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