Bump govuk_app_config from 4.4.2 to 4.4.3

Bumps [govuk_app_config](https://github.com/alphagov/govuk_app_config) from 4.4.2 to 4.4.3.
- [Release notes](https://github.com/alphagov/govuk_app_config/releases)
- [Changelog](https://github.com/alphagov/govuk_app_config/blob/main/CHANGELOG.md)
- [Commits](alphagov/govuk_app_config@v4.4.2...v4.4.3)

---
updated-dependencies:
- dependency-name: govuk_app_config
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -110,7 +110,7 @@ GEM
     globalid (1.0.0)
       activesupport (>= 5.0)
     govuk_ab_testing (2.4.2)
-    govuk_app_config (4.4.2)
+    govuk_app_config (4.4.3)
       logstasher (>= 1.2.2, < 2.2.0)
       prometheus_exporter (~> 2.0.2)
       puma (~> 5.0)