Update issue templates with suggestions

Author: alexet

.github/ISSUE_TEMPLATE/bug_report.md

@@ -2,7 +2,7 @@
 name: Bug report
 about: Create a report to help us improve
 title: ''
-labels: ''
+labels: 'bug'
 assignees: ''
 
 ---

.github/ISSUE_TEMPLATE/feature_request.md

@@ -2,7 +2,7 @@
 name: Feature request
 about: Suggest an idea for this project
 title: ''
-labels: ''
+labels: 'enhancement'
 assignees: ''
 
 ---

.github/ISSUE_TEMPLATE/new-extension-release.md

@@ -8,6 +8,7 @@ assignees: ''
 
 ---
 
+- [ ] Update this issue title to refer to the version of the release
 - [ ] Trigger a release build on Actions by adding a new tag on master of the format `vxx.xx.xx`
 - [ ] Monitor the status of the release build in the `Release` workflow in the Actions tab.
 - [ ] Download the VSIX from the draft GitHub release that is created when the release build finishes.