save screenshots on e2e test fail

Author: Raphael Kabo

.github/workflows/cypress-e2e.yml

@@ -56,3 +56,9 @@ jobs:
           quiet: true
           browser: chrome
           spec: cypress/tests/e2e/*.cy.ts
+
+      - uses: actions/upload-artifact@v3
+        if: failure()
+        with:
+          name: cypress-screenshots
+          path: cypress/screenshots