Enable JITServer build by default on AArch64 Linux #4

Job	Run time
Prerequisites	1m 33s
Linux x86 (build release)	1m 6s
Linux x86 (build debug)	1m 50s
macOS x64 (build release)	1m 29s
macOS x64 (build debug)	1m 17s
Linux additional (hs x64 build only)	1m 35s
Linux additional (hs x64 zero build only)	1m 27s
Linux additional (hs x86 minimal build only)	1m 49s
Linux additional (hs x86 client build only)	2m 6s
Linux additional (hs aarch64 build only)	6m 12s
Linux additional (hs arm build only)	6m 7s
Linux additional (hs s390x build only)	7m 35s
Linux additional (hs ppc64le build only)	6m 35s
Linux x64 (build release)	1m 7s
Linux x64 (build debug)	51s
Windows x64 (build release)	28m 43s
Windows x64 (build debug)	26m 32s
Windows x86 (build release)	11m 42s
Windows x86 (build debug)	12m 20s
Linux x64	0s
Linux x86	0s
macOS x64	0s
Windows x86	0s
Windows x64	0s
Post-process artifacts	6s
	2h 2m 2s

Provide feedback