Bump pghero from 2.4.2 to 2.5.0 (#13848)

Bumps [pghero](https://github.com/ankane/pghero) from 2.4.2 to 2.5.0.
- [Release notes](https://github.com/ankane/pghero/releases)
- [Changelog](https://github.com/ankane/pghero/blob/master/CHANGELOG.md)
- [Commits](https://github.com/ankane/pghero/compare/v2.4.2...v2.5.0)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Gemfile.lock

@@ -413,7 +413,7 @@ GEM
       equatable (~> 0.6)
       tty-color (~> 0.5)
     pg (1.2.3)
-    pghero (2.4.2)
+    pghero (2.5.0)
       activerecord (>= 5)
     pkg-config (1.4.1)
     premailer (1.11.1)
@@ -744,7 +744,7 @@ DEPENDENCIES
   parallel_tests (~> 2.32)
   parslet
   pg (~> 1.2)
-  pghero (~> 2.4)
+  pghero (~> 2.5)
   pkg-config (~> 1.4)
   posix-spawn!
   premailer-rails