Allow more clang-format versions #281

Job	Run time
t8code_w_shipped_submodules_tests / t8code_cmake_tests	4m 0s
preparation (OFF) / cmake_preparation	1m 3s
preparation (ON) / cmake_preparation	1m 3s
t8code_api_tests (ON, Release) / t8code_cmake_tests	3m 9s
t8code_tests (OFF, Debug) / t8code_cmake_tests	3m 1s
sc_p4est_tests (ON) / sc_p4est_cmake_tests	3m 9s
sc_p4est_tests (OFF) / sc_p4est_cmake_tests	3m 48s
t8code_linkage_tests (OFF, Debug) / t8code_cmake_tests	7m 45s
t8code_api_tests (ON, Debug) / t8code_cmake_tests	4m 25s
t8code_linkage_tests (OFF, Release) / t8code_cmake_tests	6m 48s
t8code_linkage_tests (ON, Debug) / t8code_cmake_tests	10m 11s
t8code_linkage_tests (ON, Release) / t8code_cmake_tests	7m 22s
t8code_tests (OFF, Release) / t8code_cmake_tests	2m 35s
t8code_tests (ON, Debug) / t8code_cmake_tests	3m 51s
t8code_tests (ON, Release) / t8code_cmake_tests	2m 49s
	1h 4m 59s

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