Update prod-docker-image.yml

Author: wangsrGit119

.github/workflows/prod-docker-image.yml

@@ -22,7 +22,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Set Global Variables
-      run: echo "version=1.3.1-slim" >> $GITHUB_ENV
+      run: echo "version=1.3.2-slim" >> $GITHUB_ENV
     - name: Build the Docker image
       run: docker build . --file Dockerfile --tag sucwangsr/janus-webrtc-gateway-docker:$version
     - name: push hub