Add nimble_test branch to CI workflow #448

Job	Run time
build / windows-amd64 (Nim version-2-0)	1m 10s
build / linux-amd64 (Nim devel)	40s
build / windows-amd64 (Nim version-1-6)	1m 28s
build / windows-amd64 (Nim version-2-2)	57s
build / linux-i386 (Nim version-2-2)	45s
build / linux-gcc-14-amd64 (Nim version-2-4)	31s
build / linux-amd64 (Nim version-2-0)	46s
build / macos-amd64 (Nim version-2-0)	1m 6s
build / windows-amd64 (Nim devel)	1m 2s
build / macos-amd64 (Nim version-1-6)	1m 33s
build / linux-gcc-14-amd64 (Nim version-1-6)	31s
build / linux-i386 (Nim version-2-4)	56s
build / linux-amd64 (Nim version-2-4)	39s
build / linux-i386 (Nim version-1-6)	48s
build / linux-gcc-14-amd64 (Nim version-2-2)	10m 2s
build / linux-gcc-14-amd64 (Nim devel)	29s
build / linux-gcc-14-amd64 (Nim version-2-0)	34s
build / linux-amd64 (Nim version-2-2)	37s
build / windows-amd64 (Nim version-2-4)	1m 4s
build / linux-amd64 (Nim version-1-6)	48s
build / macos-amd64 (Nim devel)	53s
build / macos-amd64 (Nim version-2-4)	1m 4s
build / linux-i386 (Nim devel)	53s
build / linux-i386 (Nim version-2-0)	54s
build / macos-arm64 (Nim version-1-6)	56s
build / macos-amd64 (Nim version-2-2)	1m 2s
build / macos-arm64 (Nim version-2-2)	43s
build / macos-arm64 (Nim version-2-0)	1m 18s
build / macos-arm64 (Nim version-2-4)	44s
build / macos-arm64 (Nim devel)	43s
	35m 36s

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