chore: update volumes in lig-gen nightly CI (googleapis#10470)

* chore: update volumes in lig-gen nightly CI

* fix volume cleanup

Author: diegomarquezp

.github/workflows/verify-generation-config.yaml

@@ -14,18 +14,19 @@ jobs:
       run: |
         # we create a volume pointing to `pwd` (google-cloud-java) that will
         # be referenced by the container and its children
-        if [[ $(docker volume inspect repo) != '[]' ]]; then
-          docker volume rm repo
+        if [[ $(docker volume inspect repo-google-cloud-java) != '[]' ]]; then
+          docker volume rm repo-google-cloud-java
         fi
-        docker volume create --name "repo" --opt "type=none" --opt "device=$(pwd)" --opt "o=bind"
+        docker volume create --name "repo-google-cloud-java" --opt "type=none" --opt "device=$(pwd)" --opt "o=bind"
     - name: generate from configuration
       shell: bash
       run: |
+        repo_volumes="-v repo-google-cloud-java:/workspace/google-cloud-java"
         docker run --rm \
-          -v repo:/workspace \
+          ${repo_volumes} \
           -v /tmp:/tmp \
           -v /var/run/docker.sock:/var/run/docker.sock \
           -e "RUNNING_IN_DOCKER=true" \
-          -e "REPO_BINDING_VOLUME=repo" \
+          -e "REPO_BINDING_VOLUMES=${repo_volumes}" \
           gcr.io/cloud-devrel-public-resources/java-library-generation:latest \
-          python /src/generate_repo.py generate --generation-config-yaml=/workspace/generation_config.yaml --repository-path=/workspace
+          python /src/generate_repo.py generate --generation-config-yaml=/workspace/google-cloud-java/generation_config.yaml --repository-path=/workspace/google-cloud-java