Update travis-ci to GitHub Actions in the PR template
This closes
@@ -32,4 +32,4 @@ to ensure the following steps have been taken:
- [ ] Have you ensured that format looks appropriate for the output in which it is rendered?
### Note:
-Please ensure that once the PR is submitted, you check travis-ci for build issues and submit an update to your PR as soon as possible.
+Please ensure that once the PR is submitted, you check GitHub Actions CI for build issues and submit an update to your PR as soon as possible.
