Update minimum cmake version for regression tests #2198

Job	Run time
build-drivers-release	7m 55s
build-all-debug	7m 49s
build-all-debug-single	4m 30s
build-postlib-release	13m 26s
build-test-uadriver-debug	2m 46s
rtest-modules-debug	7m 51s
rtest-module-drivers	3m 56s
build-fastfarm-release	19m 17s
build-interfaces-release	5m 40s
build-openfast-release	6m 53s
rtest-interfaces	8m 5s
rtest-OF-5MW_OC4Jckt_DLL_WTurb_WavesIrr_MGrowth	1m 45s
rtest-OF	9m 32s
rtest-OF-5MW_Land_BD_DLL_WTurb	2m 59s
rtest-OF-5MW_OC3Mnpl_DLL_WTurb_WavesIrr	4m 45s
rtest-OF-5MW_OC3Trpd_DLL_WSt_WavesReg	7m 4s
rtest-OF-5MW_OC4Semi_WSt_WavesWN	2m 2s
rtest-OF-linearization	4m 18s
rtest-FF	2m 13s
	2h 2m 46s

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