ci: fix sync workflow

- Update peter-evans/create-pull-request to v7
- Move file updates before PR creation
- Remove non-existent 'sync' label
- Remove redundant fallback PR creation

Author: mrchypark

.github/workflows/sync-postypes.yaml

@@ -80,9 +80,18 @@ jobs:
           echo "added=$ADDED" >> $GITHUB_OUTPUT
           echo "removed=$REMOVED" >> $GITHUB_OUTPUT
 
+      - name: Update files
+        if: steps.extract.outputs.changed == 'true'
+        run: |
+          # Replace postype.go with generated version
+          mv postype_generated.go postype.go
+
+          # Update Makefile version
+          sed -i "s/KIWI_VERSION := .*/KIWI_VERSION := ${{ steps.get_version.outputs.version }}/" Makefile
+
       - name: Create Pull Request
         if: steps.extract.outputs.changed == 'true'
-        uses: peter-evans/create-pull-request@v6
+        uses: peter-evans/create-pull-request@v7
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           commit-message: "sync: update POS tags from Kiwi ${{ steps.get_version.outputs.version }}"
@@ -95,8 +104,8 @@ jobs:
             This PR was automatically generated by the POS tag sync workflow.
 
             ### Changes
-            - Added: ${{ steps.extract.outputs.added }} lines
-            - Removed: ${{ steps.extract.outputs.removed }} lines
+            - Added: ${{ steps.diff.outputs.added }} lines
+            - Removed: ${{ steps.diff.outputs.removed }} lines
 
             ### Diff Summary
             ```
@@ -111,60 +120,17 @@ jobs:
             ---
             *This PR was created by [sync-postypes.yaml](.github/workflows/sync-postypes.yaml)*
           labels: |
-            sync
             automated
 
-      - name: Update Makefile version
-        if: steps.extract.outputs.changed == 'true'
-        run: |
-          sed -i "s/KIWI_VERSION := .*/KIWI_VERSION := ${{ steps.get_version.outputs.version }}/" Makefile
-
-      - name: Commit and push changes
-        if: steps.extract.outputs.changed == 'true'
-        run: |
-          git config user.name "github-actions[bot]"
-          git config user.email "github-actions[bot]@users.noreply.github.com"
-
-          # Replace postype.go with generated version
-          mv postype_generated.go postype.go
-
-          # Stage changes
-          git add postype.go Makefile
-
-          # Check if there are changes to commit
-          if git diff --staged --quiet; then
-            echo "No changes to commit"
-          else
-            git commit -m "sync: update POS tags from Kiwi ${{ steps.get_version.outputs.version }}"
-            git push origin sync/postypes-${{ steps.get_version.outputs.version }}
-          fi
-
-      - name: Create PR manually (fallback)
-        if: steps.extract.outputs.changed == 'true' && failure()
-        env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: |
-          # Fallback: create PR using gh CLI
-          gh pr create \
-            --title "sync: update POS tags from Kiwi ${{ steps.get_version.outputs.version }}" \
-            --body "## POS Tag Sync from Kiwi ${{ steps.get_version.outputs.version }}
-
-            Automatically generated PR to sync POS tags with upstream Kiwi.
-
-            **Changes**: +${{ steps.extract.outputs.added }} -${{ steps.extract.outputs.removed }}" \
-            --label "sync,automated" \
-            --head sync/postypes-${{ steps.get_version.outputs.version }} \
-            --base main
-
       - name: Summary
         if: always()
         run: |
           echo "## Sync Summary" >> $GITHUB_STEP_SUMMARY
           echo "- Kiwi Version: ${{ steps.get_version.outputs.version }}" >> $GITHUB_STEP_SUMMARY
           echo "- Changes Detected: ${{ steps.extract.outputs.changed }}" >> $GITHUB_STEP_SUMMARY
           if [ "${{ steps.extract.outputs.changed }}" == "true" ]; then
-            echo "- Added: ${{ steps.extract.outputs.added }} lines" >> $GITHUB_STEP_SUMMARY
-            echo "- Removed: ${{ steps.extract.outputs.removed }} lines" >> $GITHUB_STEP_SUMMARY
+            echo "- Added: ${{ steps.diff.outputs.added }} lines" >> $GITHUB_STEP_SUMMARY
+            echo "- Removed: ${{ steps.diff.outputs.removed }} lines" >> $GITHUB_STEP_SUMMARY
             echo "- PR Created: Yes" >> $GITHUB_STEP_SUMMARY
           else
             echo "- Status: Already in sync" >> $GITHUB_STEP_SUMMARY