Bump pghero from 3.4.0 to 3.4.1

Bumps [pghero](https://github.com/ankane/pghero) from 3.4.0 to 3.4.1.
- [Changelog](https://github.com/ankane/pghero/blob/master/CHANGELOG.md)
- [Commits](ankane/pghero@v3.4.0...v3.4.1)

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

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

Gemfile.lock

@@ -155,7 +155,7 @@ GEM
     marcel (1.0.2)
     mini_mime (1.1.5)
     mini_portile2 (2.8.5)
-    minitest (5.22.1)
+    minitest (5.22.2)
     mocha (2.1.0)
       ruby2_keywords (>= 0.0.5)
     msgpack (1.7.2)
@@ -188,7 +188,7 @@ GEM
     pg (1.5.4)
     pg_query (5.1.0)
       google-protobuf (>= 3.22.3)
-    pghero (3.4.0)
+    pghero (3.4.1)
       activerecord (>= 6)
     popper_js (2.11.8)
     psych (5.1.2)