Rename default branch from `master` to `main`

[IndrajeetPatil]

Going forward, this is going to be the assumption for GitHub workflows, so we might as well anticipate and be future-proof.

Probably you know already, but, for the sake of completeness, you can do this by going here, and renaming directly using:

[const-ae]

Thanks for the heads-up. I agree it makes sense to change the naming scheme. And thanks also for providing the instructions. I have renamed the master branch to main. Is there anything else I need to do?

[IndrajeetPatil]

Thanks! Nothing else to do here :)

[const-ae]

Perfect. Thanks :)