Update GH issues templates (#943)

- RStudio -> Posit
- Add 'feature' label to feature requests.

Closes #937.

.github/ISSUE_TEMPLATE/bug_report.md

@@ -11,7 +11,7 @@ assignees: ''
 
 If you are debugging a failed build or have a question about GitHub Actions in
 general do **NOT** open an issue here. Either post on the Actions sections of
-the [GitHub Community](https://github.saobby.my.eu.orgmunity/c/code-to-cloud/github-actions/41) or the [RStudio Community](https://community.rstudio.com/new-topic?category=Package%20development&tags=github-actions) forums.
+the [GitHub Community](https://github.saobby.my.eu.orgmunity/c/code-to-cloud/github-actions/41) or the [Posit Community](https://forum.posit.co/new-topic?category=Package%20development&tags=github-actions) forums.
 
 Open an issue here _only_ if you have a bug in one of the
 custom R specific actions themselves.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -2,7 +2,7 @@
 name: Feature request
 about: Add additional functionality to the R specific actions
 title: ''
-labels: ''
+labels: 'feature'
 assignees: ''
 
 ---