Bump govuk_app_config from 9.16.3 to 9.16.4

Bumps [govuk_app_config](https://github.com/alphagov/govuk_app_config) from 9.16.3 to 9.16.4.
- [Changelog](https://github.com/alphagov/govuk_app_config/blob/main/CHANGELOG.md)
- [Commits](alphagov/govuk_app_config@v9.16.3...v9.16.4)

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

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

Gemfile.lock

@@ -175,7 +175,7 @@ GEM
       gapic-common (>= 0.25.0, < 2.a)
       google-cloud-errors (~> 1.0)
     google-logging-utils (0.1.0)
-    google-protobuf (4.29.3)
+    google-protobuf (4.30.0)
       bigdecimal
       rake (>= 13)
     googleapis-common-protos (1.6.0)
@@ -192,9 +192,9 @@ GEM
       multi_json (~> 1.11)
       os (>= 0.9, < 2.0)
       signet (>= 0.16, < 2.a)
-    govuk_app_config (9.16.3)
+    govuk_app_config (9.16.4)
       logstasher (~> 2.1)
-      opentelemetry-exporter-otlp (>= 0.25, < 0.30)
+      opentelemetry-exporter-otlp (>= 0.25, < 0.31)
       opentelemetry-instrumentation-all (>= 0.39.1, < 0.75.0)
       opentelemetry-sdk (~> 1.2)
       plek (>= 4, < 6)
@@ -329,7 +329,7 @@ GEM
     opentelemetry-api (1.4.0)
     opentelemetry-common (0.22.0)
       opentelemetry-api (~> 1.0)
-    opentelemetry-exporter-otlp (0.29.1)
+    opentelemetry-exporter-otlp (0.30.0)
       google-protobuf (>= 3.18)
       googleapis-common-protos-types (~> 1.3)
       opentelemetry-api (~> 1.1)
@@ -558,7 +558,7 @@ GEM
     puma (6.6.0)
       nio4r (~> 2.0)
     racc (1.8.1)
-    rack (3.1.10)
+    rack (3.1.11)
     rack-protection (4.1.1)
       base64 (>= 0.1.0)
       logger (>= 1.6.0)