Merge branch 'feature/GHA-migration' into stable-6.0 #59

Job	Run time
Homebrew packaging unit tests	7m 0s
C++ unit tests on ubuntu-latest, as root	6m 42s
Node.js unit tests on macos-latest	48s
Apache 2 integration tests on macos-latest	6m 21s
C++ unit tests on macos-latest, as normal-user	4m 14s
Nginx dynamic module integration tests on macos-latest	2m 52s
C++ unit tests on ubuntu-latest, as normal-user	6m 33s
Node.js unit tests on ubuntu-latest	46s
Source packaging unit tests	1m 2s
Nginx integration tests on macos-latest	3m 17s
Ruby unit tests on macos-latest	3m 8s
Standalone integration tests on macos-latest	4m 18s
Ruby unit tests on ubuntu-latest	3m 27s
Apache 2 integration tests on ubuntu-latest	4m 52s
Nginx dynamic module integration tests on ubuntu-latest	4m 33s
Nginx integration tests on ubuntu-latest	4m 16s
Standalone integration tests on ubuntu-latest	5m 23s
	1h 9m 32s

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