Bump PaackEng/paack-ui from 7.21.1 to 7.23.0 in /example

Bumps [PaackEng/paack-ui](https://github.com/PaackEng/paack-ui) from 7.21.1 to 7.23.0.
- [Release notes](https://github.com/PaackEng/paack-ui/releases)
- [Commits](PaackEng/paack-ui@7.21.1...7.23.0)

---
updated-dependencies:
- dependency-name: PaackEng/paack-ui
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

example/elm.json

@@ -10,7 +10,7 @@
             "NoRedInk/elm-json-decode-pipeline": "1.0.1",
             "NoRedInk/elm-rollbar": "2.0.1",
             "PaackEng/paack-remotedata": "1.1.0",
-            "PaackEng/paack-ui": "7.21.1",
+            "PaackEng/paack-ui": "7.23.0",
             "TSFoster/elm-uuid": "4.2.0",
             "avh4/elm-fifo": "1.0.4",
             "dillonkearns/elm-graphql": "5.0.9",