Updated issue templates for NB 25 rc phase + update PR template

 - added number prefixes for template ordering purposes
 - added merge/approval checklist to PR template

Author: mbien

…b/ISSUE_TEMPLATE/netbeans_bug_report.yml …SSUE_TEMPLATE/01-netbeans_bug_report.yml.github/ISSUE_TEMPLATE/netbeans_bug_report.yml renamed to .github/ISSUE_TEMPLATE/01-netbeans_bug_report.yml .github/ISSUE_TEMPLATE/netbeans_bug_report.yml renamed to .github/ISSUE_TEMPLATE/01-netbeans_bug_report.yml

@@ -28,7 +28,7 @@ body:
       multiple: false
       options:
         - "Apache NetBeans 24"
-#        - "Apache NetBeans 25 release candidate"
+        - "Apache NetBeans 25 release candidate"
         - "Apache NetBeans latest daily build"
     validations:
       required: true
@@ -73,6 +73,7 @@ body:
       multiple: false
       options:
         - "No / Don't know"
+        - "Apache NetBeans 25"
         - "Apache NetBeans 24"
         - "Apache NetBeans 23"
         - "Apache NetBeans 22"

…UE_TEMPLATE/netbeans_feature_request.yml …TEMPLATE/02-netbeans_feature_request.yml.github/ISSUE_TEMPLATE/netbeans_feature_request.yml renamed to .github/ISSUE_TEMPLATE/02-netbeans_feature_request.yml .github/ISSUE_TEMPLATE/netbeans_feature_request.yml renamed to .github/ISSUE_TEMPLATE/02-netbeans_feature_request.yml

@@ -5,6 +5,9 @@
 ---
 **^Add meaningful description above**
 
+<details open>
+<summary>Click to collapse/expand PR instructions</summary>
+
 By opening a pull request you confirm that, unless explicitly stated otherwise, the changes -
 
  - are all your own work, and you have the right to contribute them.
@@ -15,3 +18,14 @@ Please make sure (eg. `git log`) that all commits have a valid name and email ad
 If you're a first time contributor, see the Contributing guidelines for more information.
 
 If you're a committer, please label the PR before pressing "Create pull request" so that the right test jobs can run.
+
+### PR approval and merge checklist:
+
+1. [ ] Was this PR [correctly labeled](https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=240884239#PRsandYouAreviewerGuide-PRtriggeredCIJobs(conditionalCIpipeline)), did the right tests run? When did they run?
+2. [ ] Is this PR [squashed](https://cwiki.apache.org/confluence/display/NETBEANS/git%3A+squash+and+merge)?
+3. [ ] Are author name / email address correct? Are [co-authors](https://docs.github.com/en/pull-requests/committing-changes-to-your-project/creating-and-editing-commits/creating-a-commit-with-multiple-authors#creating-co-authored-commits-on-the-command-line) correctly listed? Do the commit messages need updates?
+3. [ ] Does the PR title and description still fit after the Nth iteration? Is the description sufficient to appear in the release notes?
+
+If this PR targets the delivery branch: [don't merge](https://cwiki.apache.org/confluence/display/NETBEANS/Pull+requests+for+delivery). ([full wiki article](https://cwiki.apache.org/confluence/display/NETBEANS/PRs+and+You+-+A+reviewer+Guide))
+
+</details>