docs: fix CHANGELOG for 3.1.0
docs: fix CHANGELOG for 3.1.0

I thought I was publishing 3.0.1.  Whoops.

Signed-off-by: Kevin Locke <ffb4761cba839470133bee36aeb139f58d7dbaa9@kevinlocke.name>

kevinoid/git-branch-is,kevinoid/git-branch-is,kevinoid/git-branch-is