Revert "WIP: github: Run the docker job on push too" #747

Job	Run time
prepare	5s
linux	3h 53m 7s
macos	4h 58m 47s
linux-asserts	2h 50m 17s
msys2 (mingw64)	2h 36m 32s
msys2 (clang64)	4h 7m 47s
linux-test-cross-build-ffmpeg (i686)	9m 59s
linux-test-cross-build-ffmpeg (x86_64)	15m 12s
linux-test-cross-build-ffmpeg (armv7)	8m 45s
linux-test-cross-build-ffmpeg (aarch64)	13m 24s
linux-cross-aarch64	3h 39m 42s
linux-cross-windows (i686, ucrt)	5h 9m 45s
linux-cross-windows (x86_64, ucrt)	3h 48m 54s
linux-cross-windows (armv7, ucrt)	5h 33m 57s
linux-cross-windows (aarch64, ucrt)	3h 48m 8s
test-ffmpeg	37m 39s
test-compiler-rt (x86_64)	23m 4s
test-compiler-rt (i686)	21m 36s
test-openmp (i686)	12m 38s
test-openmp (x86_64, -m64)	18m 13s
test-libcxx (x86_64)	2h 22m 54s
test-libcxx (i686)	1h 56m 26s
test-toolchain (x86_64)	3m 22s
test-toolchain (i686)	3m 8s
test-toolchain-cmd (x86_64)	4m 0s
test-toolchain-cmd (i686)	3m 43s
upload-nightly	0s
	1d 23h 41m 4s

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