Bump govuk_personalisation from 0.8.0 to 0.9.0

Bumps [govuk_personalisation](https://github.com/alphagov/govuk_personalisation) from 0.8.0 to 0.9.0.
- [Release notes](https://github.com/alphagov/govuk_personalisation/releases)
- [Changelog](https://github.com/alphagov/govuk_personalisation/blob/main/CHANGELOG.md)
- [Commits](alphagov/govuk_personalisation@v0.8.0...v0.9.0)

---
updated-dependencies:
- dependency-name: govuk_personalisation
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -130,7 +130,7 @@ GEM
       sentry-ruby (~> 4.5.0)
       statsd-ruby (~> 1.5.0)
       unicorn (>= 5.4, < 5.9)
-    govuk_personalisation (0.8.0)
+    govuk_personalisation (0.9.0)
       plek (>= 1.9.0)
       rails (~> 6)
     govuk_publishing_components (27.4.0)