Bump govuk_app_config from 9.23.2 to 9.23.3

Bumps [govuk_app_config](https://github.com/alphagov/govuk_app_config) from 9.23.2 to 9.23.3.
- [Changelog](https://github.com/alphagov/govuk_app_config/blob/main/CHANGELOG.md)
- [Commits](alphagov/govuk_app_config@v9.23.2...v9.23.3)

---
updated-dependencies:
- dependency-name: govuk_app_config
  dependency-version: 9.23.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -167,7 +167,7 @@ GEM
       rake (>= 13)
     googleapis-common-protos-types (1.22.0)
       google-protobuf (~> 4.26)
-    govuk_app_config (9.23.2)
+    govuk_app_config (9.23.3)
       connection_pool (< 3)
       logstasher (~> 2.1)
       opentelemetry-exporter-otlp (>= 0.25, < 0.32)