Update to actions/cache@v5 and actions/upload-artifact@v6 #4397

Job	Run time
bench	7m 11s
todo_check	40s
rustfmt	15s
test_llvm	4m 1s
dist (ubuntu-24.04-arm, aarch64-unknown-linux-gnu)	1m 35s
dist (windows-latest, x86_64-pc-windows-gnu)	5m 30s
dist (windows-latest, x86_64-pc-windows-msvc)	2m 24s
dist (macos-15-intel, x86_64-apple-darwin)	3m 16s
dist (ubuntu-22.04, x86_64-unknown-linux-gnu)	1m 42s
dist (macos-latest, aarch64-apple-darwin)	1m 37s
test (windows-latest, x86_64-pc-windows-msvc)	18m 47s
test (macos-latest, aarch64-apple-darwin)	11m 33s
test (ubuntu-latest, s390x-unknown-linux-gnu, gcc-s390x-linux-gnu qemu-user)	5m 29s
test (ubuntu-latest, x86_64-unknown-linux-gnu)	12m 31s
test (ubuntu-latest, riscv64gc-unknown-linux-gnu, gcc-riscv64-linux-gnu qemu-user)	5m 25s
test (windows-latest, x86_64-pc-windows-gnu)	23m 59s
test (macos-15-intel, x86_64-apple-darwin)	21m 46s
test (ubuntu-24.04-arm, aarch64-unknown-linux-gnu)	9m 59s
release	13s
	2h 17m 53s

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