dependabot: rename group `all` to `*` #60

Job	Run time
ci / resolve-modules / resolve-modules	4s
ci / mod-tidy (./testing)	13s
ci / mod-tidy (./cmd/examples)	16s
ci / generate (./testing)	13s
ci / build-and-test (./testing)	19s
ci / mod-tidy (./cmd/cligen)	15s
ci / generate (./cmd/examples)	22s
ci / lint (./testing)	26s
ci / build-and-test (./cmd/examples)	21s
ci / mod-tidy (.)	15s
ci / generate (./cmd/cligen)	20s
ci / lint (./cmd/examples)	21s
ci / build-and-test (./cmd/cligen)	22s
ci / generate (.)	11s
ci / lint (./cmd/cligen)	22s
ci / build-and-test (.)	20s
ci / lint (.)	26s
	5m 6s

Provide feedback