chore(build): updates node to current used version 14 in workflows

Author: jekutzsche

.github/workflows/fe-e2e-test.yml

@@ -22,7 +22,7 @@ jobs:
         uses: actions/[email protected]
         with:
           # Version Spec of the version to use.  Examples: 12.x, 10.15.1, >=10.15.0
-          node-version: 12.x
+          node-version: 14.x
 
       - name: Cypress run
         uses: cypress-io/[email protected]

.github/workflows/release-gitflow.yml

@@ -37,7 +37,7 @@ jobs:
         uses: actions/[email protected]
         with:
           # Version Spec of the version to use.  Examples: 12.x, 10.15.1, >=10.15.0
-          node-version: 12.x
+          node-version: 14.x
 
       - name: Cache local Maven repository
         uses: actions/[email protected]