Bump pghero from 3.4.1 to 3.6.0

Bumps [pghero](https://github.com/ankane/pghero) from 3.4.1 to 3.6.0.
- [Changelog](https://github.com/ankane/pghero/blob/master/CHANGELOG.md)
- [Commits](ankane/pghero@v3.4.1...v3.6.0)

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

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

Gemfile.lock

@@ -115,7 +115,7 @@ GEM
     chronic (0.10.2)
     chunky_png (1.4.0)
     cliver (0.3.2)
-    concurrent-ruby (1.2.3)
+    concurrent-ruby (1.3.3)
     connection_pool (2.4.1)
     crack (1.0.0)
       bigdecimal
@@ -261,8 +261,8 @@ GEM
     pg (1.5.6)
     pg_query (5.1.0)
       google-protobuf (>= 3.22.3)
-    pghero (3.4.1)
-      activerecord (>= 6)
+    pghero (3.6.0)
+      activerecord (>= 6.1)
     poltergeist (1.18.1)
       capybara (>= 2.1, < 4)
       cliver (~> 0.3.1)
@@ -476,7 +476,7 @@ GEM
       will_paginate (>= 3.0.3)
     xpath (3.2.0)
       nokogiri (~> 1.8)
-    zeitwerk (2.6.14)
+    zeitwerk (2.6.16)
 
 PLATFORMS
   arm64-darwin