Add new version of Welcome theme based on PatternFly 5 (#23008)

.github/dependabot.yml

@@ -22,6 +22,17 @@ updates:
     labels:
       - area/dependencies
       - team/ui
+  - package-ecosystem: npm
+    directory: /themes/src/main/resources/theme/keycloak.v2/welcome
+    schedule:
+      interval: daily
+      time: "00:00"
+      timezone: Etc/GMT
+    open-pull-requests-limit: 999
+    rebase-strategy: disabled
+    labels:
+      - area/dependencies
+      - team/ui
   - package-ecosystem: npm
     directory: js
     open-pull-requests-limit: 999