build(deps): bump groupdate from 6.5.1 to 6.6.0

Bumps [groupdate](https://github.com/ankane/groupdate) from 6.5.1 to 6.6.0.
- [Changelog](https://github.com/ankane/groupdate/blob/master/CHANGELOG.md)
- [Commits](ankane/groupdate@v6.5.1...v6.6.0)

---
updated-dependencies:
- dependency-name: groupdate
  dependency-version: 6.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -266,8 +266,8 @@ GEM
     google-protobuf (4.30.2-x86_64-linux)
       bigdecimal
       rake (>= 13)
-    groupdate (6.5.1)
-      activesupport (>= 7)
+    groupdate (6.6.0)
+      activesupport (>= 7.1)
     hashdiff (1.1.2)
     htmlentities (4.3.4)
     httparty (0.23.1)