Use "Bug" issue type instead of the label (OrchardCMS#18664)

Co-authored-by: Zoltán Lehóczky <zoltan.lehoczky@lombiq.com>

Author: hishamco

.github/ISSUE_TEMPLATE/bug_report.md

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

.github/ISSUE_TEMPLATE/feature_request.md

@@ -2,8 +2,8 @@
 name: Feature request
 about: Suggest an idea for this project
 title: ''
-labels: enhancement
 assignees: ''
+type: feature
 
 ---
 <!-- Please also see the docs on how we manage issues: https://docs.orchardcore.net/en/latest/docs/contributing/managing-issues/. -->

.github/ISSUE_TEMPLATE/patch_release.md

@@ -3,6 +3,7 @@ name: Publish a patch release
 about: Publish a new Orchard Core patch release
 title: 'Release v'
 labels: release
+type: task
 assignees: ''
 
 ---

.github/ISSUE_TEMPLATE/release.md

@@ -3,6 +3,7 @@ name: Publish a major or minor release
 about: Publish a new Orchard Core release
 title: 'Release v'
 labels: release
+type: task
 assignees: ''
 
 ---

.github/ISSUE_TEMPLATE/target_frameworks.md

@@ -4,6 +4,7 @@ about: Update supported TFMs
 title: 'Change target frameworks'
 labels: 
 assignees: ''
+type: task
 ---
 
 - [ ] Update `global.json` to the required SDK version.