Update actions/upload-artifact action to v6 #126

Job	Run time
Build per-arch (push by digest on main) (linux/amd64, ubuntu-24.04, linux-amd64, 8.4, pcntl xdebu...	2m 56s
Build per-arch (push by digest on main) (linux/amd64, ubuntu-24.04, linux-amd64, 8.5, pcntl xdebu...	3m 20s
Build per-arch (push by digest on main) (linux/amd64, ubuntu-24.04, linux-amd64, 8.3, pcntl xdebu...	2m 48s
Build per-arch (push by digest on main) (linux/amd64, ubuntu-24.04, linux-amd64, 8.2, pcntl xdebu...	3m 13s
Build per-arch (push by digest on main) (linux/arm64, ubuntu-24.04-arm, linux-arm64, 8.2, pcntl x...	2m 48s
Build per-arch (push by digest on main) (linux/arm64, ubuntu-24.04-arm, linux-arm64, 8.4, pcntl x...	3m 27s
Build per-arch (push by digest on main) (linux/arm64, ubuntu-24.04-arm, linux-arm64, 8.5, pcntl x...	3m 46s
Build per-arch (push by digest on main) (linux/amd64, ubuntu-24.04, linux-amd64, 8.1, pcntl xdebu...	2m 51s
Build per-arch (push by digest on main) (linux/arm64, ubuntu-24.04-arm, linux-arm64, 8.3, pcntl x...	3m 37s
Build per-arch (push by digest on main) (linux/arm64, ubuntu-24.04-arm, linux-arm64, 8.1, pcntl x...	3m 7s
Create multi-arch manifest (main only)	0s
	31m 53s

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