fix: specify valid value for runs.using

action.yml

@@ -4,7 +4,7 @@ author: "Paul Campbell"
 description: |
   Checks the source files to TODO and FIXME comments (configurable) that don't have an associated OPEN issue.
 
-input:
+# input:
   # none yet
   # tags_regex: (TODO|FIXME)
   # issue_regex: ( |)(\(|\(#)(?P<ISSUE_NUMBER>\d+)(\))
@@ -12,7 +12,7 @@ input:
   # debug: false
 
 runs:
-  using: "???"
+  using: "composite"
   steps:
     - run: echo "Forgejo TODO Checker"
       shell: bash