chore: using current node version in CI/CD as well (#1444)

* chore: using current node version in CI/CD as well

* refactor: pinning to major version even only

to make any minor or patch updates obsolete

* refactor: hardening that declaration

Author: mfranzke

.github/workflows/continuous-integration.yml

@@ -10,9 +10,9 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Set up NodeJS
-        uses: actions/setup-node@v2.1.4
+        uses: actions/setup-node@v2
         with:
-          node-version: '>=14.20.1'
+          node-version: '14'
 
       - name: Setup the project
         run: |