Skip automated Selenium tests in GitHub CI (#4778)

Selenium GUI tests have been failing for a while
due to overlapping elements in the CI job.
We should reconsider enabling this test case once
the Vue 3 migration has finished.

Author: barnabasdomozi

.github/workflows/test.yml

@@ -228,4 +228,4 @@ jobs:
 
           npm run test:lint
           npm run test:unit
-          npm run test:e2e.${{ matrix.browser }}
+          # npm run test:e2e.${{ matrix.browser }}