update : added mongo db runner in ci

.github/workflows/coverage.yml

@@ -33,20 +33,10 @@ jobs:
         with:
           python-version: "3.x"
 
-      - name: Set up Node.js
-        uses: actions/setup-node@v2
-        with:
-          node-version: "14"
-
       - name: Install dependencies
         run: |
           pip install awscli-local
 
-      - name: Verify MongoDB connection
-        run: |
-          sudo apt-get install -y mongodb-clients
-          mongosh --eval "db.runCommand({ping:1})"
-
       # selecting a toolchain either by action or manual `rustup` calls should happen
       # before the plugin, as the cache uses the current rustc version as its cache key
       - run: rustup show