Bump uraimo/run-on-arch-action from 2.7.2 to 2.8.1 #218

Job	Run time
Build on ubuntu:20.04 - gcc	8m 24s
Build on ubuntu:20.04 - clang	8m 44s
Build on ubuntu:22.04 - gcc	7m 49s
Build on ubuntu:22.04 - clang	8m 16s
Build on ubuntu:24.04 - gcc	9m 26s
Build on ubuntu:24.04 - clang	9m 10s
Build on debian:stable - gcc	8m 38s
Build on debian:stable - clang	8m 44s
Build on debian:sid - gcc	8m 42s
Build on debian:sid - clang	8m 55s
Build on quay.io/rockylinux/rockylinux:8 - gcc	8m 17s
Build on quay.io/rockylinux/rockylinux:8 - clang	9m 21s
Build on quay.io/centos/centos:stream9 - gcc	8m 34s
Build on quay.io/centos/centos:stream9 - clang	9m 15s
Build on fedora:latest - gcc	8m 44s
Build on fedora:latest - clang	8m 30s
	2h 19m 29s

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