Add further kinds to pull request template
@@ -31,12 +31,15 @@ Uncomment only one `/kind <>` line, hit enter to put that in a new line, and
remove leading whitespace from that line:
-->
+> /kind api-change
> /kind bug
> /kind cleanup
> /kind deprecation
> /kind design
> /kind documentation
+> /kind failing-test
> /kind feature
+> /kind flake
#### What this PR does / why we need it:
