Update dependabot.yml #984

Job	Run time
build-jvm-matrix	2s
build (ubuntu-latest, 21)	9m 13s
build (ubuntu-latest, 17)	10m 42s
build (ubuntu-latest, 11)	10m 9s
build (ubuntu-latest, 8)	9m 11s
build (windows-latest, 21)	13m 46s
build (windows-latest, 17)	13m 23s
build (windows-latest, 11)	14m 48s
build (windows-latest, 8)	12m 20s
check_bashisms	2m 17s
check_samples (ubuntu-latest)	2m 7s
check_samples (windows-latest)	3m 21s
	1h 41m 19s

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