Release v4.3

[coheigea]

Please consider releasing v4.3 so that features added (e.g. supporting globs - 4b1d421) can be used in prod.

[serb-google]

Tagging @jeffmendoza :)

[jeffmendoza]

Yes, thanks for the nudge. Currently we have an issue

go: updates to go.mod needed; to update it:
	go mod tidy

Working through that with #688

[justaugustus]

Working through that with #688

@jeffmendoza — I cleaned up and merged this. Also took care of most of the dependabot PRs.
Let's coordinate a time to do this soon. :)