(ci): brew link x86 toolchain for macos13 runner #968

Job	Run time
Cross build from macOS to Linux (x86_64-unknown-linux-gnu)	1m 56s
clippy	3m 14s
Cross build from macOS to Linux (FIPS) (x86_64-unknown-linux-gnu)	5m 4s
rustfmt	4s
Test (stable)	2m 5s
Test features	7m 25s
Test (arm-android)	2m 3s
Test FIPS integration	2m 54s
Test (arm64-android)	1m 58s
Test (i686-android)	2m 14s
Test (x86_64-android)	2m 10s
Test (aarch64-ios)	3m 16s
Test (aarch64-ios-sim)	2m 49s
Test (x86_64-ios)	3m 7s
Test (i686-linux)	2m 17s
Test (arm-linux)	2m 18s
Test (aarch64-linux)	2m 28s
Test (arm64-macos)	2m 15s
Test (x86_64-macos)	2m 34s
Test (x86_64-mingw)	5m 18s
Test (i686-msvc)	5m 15s
Test (x86_64-msvc)	5m 51s
	1h 8m 35s

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