Workflow: Use unique container names to avoid build conflicts

.gitea/workflows/release.yml

@@ -34,13 +34,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Build Windows executable via Docker (Stable)
+      - name: Build Windows executable via Docker (Unique Names)
         run: |
-          docker create --name release_builder cdrx/pyinstaller-windows
-          docker cp . release_builder:/src
-          docker start -a release_builder
-          docker cp release_builder:/src/dist .
-          docker rm release_builder
+          CONTAINER_NAME="rel-builder-${{ github.run_id }}"
+          docker rm -f $CONTAINER_NAME || true
+          docker create --name $CONTAINER_NAME cdrx/pyinstaller-windows
+          docker cp . $CONTAINER_NAME:/src
+          docker start -a $CONTAINER_NAME
+          docker cp $CONTAINER_NAME:/src/dist .
+          docker rm $CONTAINER_NAME
       - name: Debug - List output files
         run: ls -R dist/
       - name: Rename for release