chore(main): release google-apis-core 1.2.4 #47748

Job	Run time
CI (ubuntu-latest, 3.2, --include-spec)	4m 2s
CI (ubuntu-latest, 4.0, --include-spec --include-yardoc --include-build, --enable-frozen-string-l...	3m 38s
CI (ubuntu-latest, 3.4, --include-spec)	4m 2s
CI (ubuntu-latest, 3.3, --include-spec)	4m 11s
CI (windows-latest, 4.0, --include-spec)	5m 27s
CI (macos-latest, 4.0, --include-spec)	3m 26s
	24m 46s

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