Testing only contents write access for fine-grained token

.github/workflows/reusable_image_build_push.yml

@@ -28,6 +28,7 @@ jobs:
         with:
           repository: MukuFlash03/${{ inputs.repo }}
           ref: ${{ inputs.branch }}
+          token: ${{ secrets.GH_FG_REUSE }}
           # token: ${{ secrets.GH_FG_PAT_TAGS }}
           # persist-credentials: false