Remove -j1 option to check if the native code build works in Jenkins #122

Job	Run time
Select platforms	3s
linux-x64-hs-nopch / build (debug)	3m 11s
linux-x64 / build (debug)	2m 45s
linux-x64-hs-minimal / build (debug)	2m 24s
linux-x64 / build (release)	2m 40s
linux-x64-hs-optimized / build (debug)	2m 12s
linux-x64-hs-zero / build (debug)	2m 37s
linux-x86 / build (debug)	3m 36s
macos-aarch64 / build (debug)	4m 16s
macos-aarch64 / build (release)	4m 14s
macos-x64 / build (debug)	4m 1s
windows-aarch64 / build (debug)	5m 51s
linux-x86 / build (release)	2m 34s
macos-x64 / build (release)	4m 31s
windows-aarch64 / build (release)	6m 21s
windows-x64 / build (debug)	5m 42s
windows-x64 / build (release)	4m 41s
linux-x64	0s
linux-cross-compile	0s
linux-x86	0s
macos-x64	0s
windows-x64	0s
Remove bundle artifacts	3s
	1h 1m 42s

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