fix: swap lock/unlock order in backtrack workflow

Agent-Logs-Url: https://github.com/petesramek/polyline-algorithm-csharp/sessions/46a3d0dc-cb13-4a78-bcfd-c6565b325c31

Co-authored-by: petesramek <2333452+petesramek@users.noreply.github.com>

Author: Copilot

.github/workflows/backtrack.yml

@@ -61,10 +61,10 @@ jobs:
             echo "::warning::Develop branch '${{ steps.targets.outputs.develop-branch }}' not found, skipping backtrack."
           fi
 
-      - name: 'Lock develop branch'
-        id: lock-develop
+      - name: 'Unlock develop branch'
+        id: unlock-develop
         if: ${{ steps.check-develop.outputs.exists == 'true' }}
-        uses: './.github/actions/github/branch-protection/lock'
+        uses: './.github/actions/github/branch-protection/unlock'
         with:
           branch: ${{ steps.targets.outputs.develop-branch }}
           token: ${{ secrets.GH_ADMIN_TOKEN }}
@@ -85,9 +85,9 @@ jobs:
           git merge --no-ff origin/${{ steps.targets.outputs.merge-source }} -m "Backtrack: merge ${{ steps.targets.outputs.merge-source }} into ${{ steps.targets.outputs.develop-branch }}"
           git push origin ${{ steps.targets.outputs.develop-branch }}
 
-      - name: 'Unlock develop branch'
-        if: ${{ always() && steps.lock-develop.outcome != 'skipped' }}
-        uses: './.github/actions/github/branch-protection/unlock'
+      - name: 'Lock develop branch'
+        if: ${{ always() && steps.unlock-develop.outcome != 'skipped' }}
+        uses: './.github/actions/github/branch-protection/lock'
         with:
           branch: ${{ steps.targets.outputs.develop-branch }}
           token: ${{ secrets.GH_ADMIN_TOKEN }}