[ci] Add issue tracker anti-spam protection (#10861)

Authored by: bashonly

devscripts/make_issue_template.py

@@ -46,6 +46,11 @@ VERBOSE_TMPL = '''
       render: shell
     validations:
       required: true
+  - type: markdown
+    attributes:
+      value: |
+        ### NOTE: Due to a recent increase in malicious spam activity, this issue will be automatically locked until it is triaged by a maintainer.
+        ### If you receive any replies asking you download a file, do NOT follow the download links!
 '''.strip()
 
 NO_SKIP = '''