chore(gha): Set default timeouts. #35798

Job	Run time
build / Build dependencies	8m 16s
Schedule busted tests to run	9s
Lint and Doc tests	21s
PDK tests	3m 54s
Busted test runner 1	14m 41s
Busted test runner 2	14m 8s
Busted test runner 3	13m 55s
Busted test runner 4	14m 34s
Busted test runner 5	14m 31s
Busted test runner 6	14m 10s
Busted test runner 7	14m 16s
Cleanup and Luacov stats aggregator	0s
	1h 52m 55s

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