Update actions/upload-artifact action to v6 #132

Job	Run time
Build per-arch (push by digest on main) (linux/amd64, ubuntu-24.04, linux-amd64, 8.1, pcntl xdebu...	22s
Build per-arch (push by digest on main) (linux/amd64, ubuntu-24.04, linux-amd64, 8.3, pcntl xdebu...	22s
Build per-arch (push by digest on main) (linux/amd64, ubuntu-24.04, linux-amd64, 8.5, pcntl xdebu...	16s
Build per-arch (push by digest on main) (linux/amd64, ubuntu-24.04, linux-amd64, 8.4, pcntl xdebu...	18s
Build per-arch (push by digest on main) (linux/amd64, ubuntu-24.04, linux-amd64, 8.2, pcntl xdebu...	17s
Build per-arch (push by digest on main) (linux/arm64, ubuntu-24.04-arm, linux-arm64, 8.3, pcntl x...	29s
Build per-arch (push by digest on main) (linux/arm64, ubuntu-24.04-arm, linux-arm64, 8.4, pcntl x...	26s
Build per-arch (push by digest on main) (linux/arm64, ubuntu-24.04-arm, linux-arm64, 8.2, pcntl x...	29s
Build per-arch (push by digest on main) (linux/arm64, ubuntu-24.04-arm, linux-arm64, 8.1, pcntl x...	27s
Build per-arch (push by digest on main) (linux/arm64, ubuntu-24.04-arm, linux-arm64, 8.5, pcntl x...	27s
Create multi-arch manifest (main only)	0s
	3m 53s

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