Update PR template with communicating changes section (#12603)

* Update PR template with communicating changes section

* Combine communicating changes with updating docs section

* Add forem core team only tag to communicating changes

* Specify team over teams

.github/PULL_REQUEST_TEMPLATE.md

@@ -49,13 +49,23 @@ accessibility is impacted and tested. For more info, check out the
       have not been included_
 - [ ] I need help with writing tests
 
-## Added to documentation?
+## [Forem core team only] How will this change be communicated?
 
-- [ ] [Developer Docs](https://docs.forem.com) and/or
-      [Admin Guide](https://forem.gitbook.io/forem-admin-guide/)
-- [ ] [Storybook](https://storybook.forem.com/) (for Crayons components)
-- [ ] README
-- [ ] No documentation needed
+_Will this PR introduce a change that impacts Forem members or creators, the
+development process, or any of our internal teams? If so, please note how you
+will share this change with the people who need to know about it._
+
+- [ ] I've updated the [Developer Docs](https://docs.forem.com) and/or
+      [Admin Guide](https://forem.gitbook.io/forem-admin-guide/), or
+      [Storybook](https://storybook.forem.com/) (for Crayons components)
+- [ ] I've updated the README or added inline documentation
+- [ ] I will share this change in a [Changelog](https://forem.dev/t/changelog)
+      or in a [forem.dev](http://forem.dev) post
+- [ ] I will share this change internally with the appropriate teams
+- [ ] I'm not sure how best to communicate this change and need help
+- [ ] This change does not need to be communicated, and this is why not: _please
+      replace this line with details on why this change doesn't need to be
+      shared_
 
 ## [optional] Are there any post deployment tasks we need to perform?