Add PR Checking Github Action

[dave2wave]

Is your feature request related to a problem? Please describe.
Today I saw a PR created and merged without any changes to the PR template.

Describe the solution you'd like
I would like to see that there is a GitHub action that enforces the template as appropriate for this client.

Describe alternatives you've considered
The alternative is to do nothing and continue to not necessarily understand the motivation for a change.

Additional context
See #1089