chore: format style for GitHub PR

Author: bednar

.github/PULL_REQUEST_TEMPLATE

@@ -2,7 +2,7 @@ Closes #
 
 _Briefly describe your proposed changes:_
 
-  - [ ] CHANGELOG.md updated
-  - [ ] Rebased/mergeable
-  - [ ] Tests pass
-  - [ ] Sign [CLA](https://influxdata.com/community/cla/) (if not already signed)
+- [ ] CHANGELOG.md updated
+- [ ] Rebased/mergeable
+- [ ] Tests pass
+- [ ] Sign [CLA](https://influxdata.com/community/cla/) (if not already signed)