ci(pipeline): enhance build conditions for release workflow

- Allows builds to proceed if forced through an input flag.
- Restricts release job execution to the main branch only, ensuring controlled releases.

Author: winromulus

.github/workflows/pipeline.yaml

@@ -108,7 +108,8 @@ jobs:
       - name: evaluate - build_push
         id: evaluate_build_push
         run: |
-          if [ "${{ steps.pathsFilter.outputs.src }}" = "true" ]; then
+          if [ "${{ steps.pathsFilter.outputs.src }}" = "true" ] || \
+             [ "${{ github.event.inputs.force_build }}" = "true" ]; then
             result=true
           else
             result=false
@@ -258,7 +259,7 @@ jobs:
 
   release:
     name: release
-    if: ${{ needs.discovery.outputs.release == 'true' }}
+    if: ${{ needs.discovery.outputs.release == 'true' && github.ref == 'refs/heads/main' }}
     needs: [discovery, build]
     runs-on: ubuntu-latest
     env: