Bump govspeak from 10.8.3 to 10.8.4

Bumps [govspeak](https://github.com/alphagov/govspeak) from 10.8.3 to 10.8.4.
- [Changelog](https://github.com/alphagov/govspeak/blob/main/CHANGELOG.md)
- [Commits](alphagov/govspeak@v10.8.3...v10.8.4)

---
updated-dependencies:
- dependency-name: govspeak
  dependency-version: 10.8.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -279,23 +279,23 @@ GEM
       activerecord (>= 7.0, < 8.1)
       activesupport (>= 7.0, < 8.1)
       request_store (~> 1.0)
-    google-protobuf (4.33.2-aarch64-linux-gnu)
+    google-protobuf (4.33.4-aarch64-linux-gnu)
       bigdecimal
       rake (>= 13)
-    google-protobuf (4.33.2-arm64-darwin)
+    google-protobuf (4.33.4-arm64-darwin)
       bigdecimal
       rake (>= 13)
-    google-protobuf (4.33.2-x86_64-linux-gnu)
+    google-protobuf (4.33.4-x86_64-linux-gnu)
       bigdecimal
       rake (>= 13)
     googleapis-common-protos-types (1.22.0)
       google-protobuf (~> 4.26)
-    govspeak (10.8.3)
+    govspeak (10.8.4)
       actionview (>= 6, < 8.1.2)
       addressable (>= 2.3.8, < 2.8.9)
       govuk_publishing_components (>= 43)
       htmlentities (~> 4)
-      i18n (>= 0.7, < 1.14.8)
+      i18n (>= 0.7, < 1.14.9)
       kramdown (>= 2.3.1, < 2.5.2)
       nokogiri (~> 1.12)
       rinku (~> 2.0)
@@ -354,7 +354,7 @@ GEM
       csv
       mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
-    i18n (1.14.7)
+    i18n (1.14.8)
       concurrent-ruby (~> 1.0)
     i18n-coverage (0.2.0)
     i18n-tasks (1.0.14)
@@ -745,7 +745,7 @@ GEM
       date
       stringio
     ptools (1.5.2)
-    public_suffix (7.0.0)
+    public_suffix (7.0.2)
     puma (7.1.0)
       nio4r (~> 2.0)
     raabro (1.4.0)