only check pr tags

.github/workflows/clean_repo.yml

@@ -7,10 +7,10 @@ on:
   
 jobs:
   delete_untagged:
-    name: Delete untagged packages
+    name: Delete Untagged Packages
     runs-on: ubuntu-latest
     steps:
-      - name: Dlete Untagged packages
+      - name: Delete Untagged Packages
         uses: Chizkiyahu/delete-untagged-ghcr-action@v3
         with:
           token: ${{ secrets.PACKAGE_DELETER }}
@@ -19,7 +19,7 @@ jobs:
           untagged_only: true
           owner_type: user
   delete_old_pr:
-    name: Delete untagged packages
+    name: Delete Old PR Packages
     runs-on: ubuntu-latest
     permissions:
       packages: read
@@ -54,12 +54,15 @@ jobs:
           echo "${{ steps.open_prs.outputs.open_prs }}" | tr ' ' '\n' > open_prs
           for tag in ${{ steps.all_tags.outputs.tag_list }}
           do
+            if [[ ${tag} =~ pr-.*]]
+            then
               if (grep -w ${tag} open_prs > /dev/null)
               then
                 echo "PR is still open"
               else
                 echo "${tag}" >> delete_tags
               fi
+            fi
           done
 
           echo "Tags to delete:"