Correct prettier calls for YML/JSON (#21832)

* Fix fomat-check writing files

* Fix unformatted YML/JSON

* Add format-check call to prevent regressions

.github/ISSUE_TEMPLATE/1.bug_report.yml

@@ -50,7 +50,7 @@ body:
 
         Google Chrome 106.0.5249.119
         Firefox 105.0.3
-        
+
         etc...
     validations:
       required: true

.github/ISSUE_TEMPLATE/config.yml

@@ -2,4 +2,4 @@ blank_issues_enabled: false
 contact_links:
   - name: GitHub Discussions
     url: https://github.com/mastodon/mastodon/discussions
-    about: Please ask and answer questions here.
+    about: Please ask and answer questions here.