feat(provider): add from and to sha to GetCommits

pkg/analyzer/commit_analyzer.pb.go

pkg/condition/ci_condition.pb.go

pkg/generator/changelog_generator.pb.go

pkg/hooks/hooks.pb.go

pkg/provider/provider.pb.go

pkg/provider/provider.proto

pkg/provider/wrapper.go

pkg/semrel/structs.pb.go

pkg/updater/updater.pb.go