Specify path of downloaded upload_url file in release workflow

Author: benfrancis

.github/workflows/release.yml

@@ -69,8 +69,9 @@ jobs:
       uses: actions/download-artifact@v4
       with:
         name: upload_url
+        path: upload_url
     - name: Set upload_url
-      run: echo "UPLOAD_URL=$(cat upload_url/upload_url)" >> $GITHUB_ENV
+      run: echo "UPLOAD_URL=$(cat upload_url)" >> $GITHUB_ENV
     - name: Set release version
       run: echo "RELEASE_VERSION=${GITHUB_REF:10}" >> $GITHUB_ENV
     - uses: actions/checkout@v2