fix typo

.github/workflows/continous-integration.yml

@@ -151,7 +151,7 @@ jobs:
           cache: "pip"
       - uses: actions/setup-node@v2
         with:
-          'node-version: 16
+          node-version: 16
           cache: "npm"
       - name: Install Python Dependencies
         run: pip install -r requirements.txt -r dev-requirements.txt