feat: checkout to default branch in case of switch back failures #436

Job	Run time
Test (windows-2022, llvm, true, true)	6m 4s
Test (windows-2022, gcc, true, true)	9m 14s
Test (ubuntu-22.04, llvm, true, true)	2m 9s
Test (ubuntu-22.04, gcc, true, true)	3m 48s
Test (macos-12, llvm, true, true)	16m 7s
Test (windows-2022, msvc, true, true)	7m 24s
Test (windows-2022, msvc, true, Ninja)	7m 17s
Test (windows-2022, msvc, false, Ninja)	7m 17s
Test (windows-2022, msvc, false)	7m 15s
Test (macos-11, gcc, true, true)	21m 12s
	1h 27m 47s

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