Updated workflow to use node 16

Author: wargio

.github/workflows/continuous-tests.yml

@@ -11,9 +11,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v3
         with:
-          node-version: '12'
+          node-version: '16'
       - name: eslint
         run: chmod +x .ci-scripts/ci-eslint.sh && .ci-scripts/ci-eslint.sh ${GITHUB_REF##*/}