Bump pghero from 2.6.0 to 2.7.0

Bumps [pghero](https://github.com/ankane/pghero) from 2.6.0 to 2.7.0.
- [Release notes](https://github.com/ankane/pghero/releases)
- [Changelog](https://github.com/ankane/pghero/blob/master/CHANGELOG.md)
- [Commits](ankane/pghero@v2.6.0...v2.7.0)

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

Gemfile

@@ -31,7 +31,7 @@ gem 'mini_magick', '~> 4.10.1' # resize ActiveStorage images
 gem 'pg', '~> 0.21'
 gem 'pg_query', '>= 0.9.0'
 gem 'pg_search', '~> 2.1.2'
-gem 'pghero', '~> 2.6.0'
+gem 'pghero', '~> 2.7.0'
 gem 'photoswipe-rails', '~> 4.1', '>= 4.1.2'
 gem 'puma', '~> 3.11'
 gem 'pundit', '~> 1.1.0'

Gemfile.lock

@@ -134,7 +134,7 @@ GEM
     cocoon (1.2.11)
     coderay (1.1.2)
     colorize (0.8.1)
-    concurrent-ruby (1.1.8)
+    concurrent-ruby (1.1.9)
     connection_pool (2.2.1)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
@@ -260,7 +260,9 @@ GEM
       mimemagic (~> 0.3.2)
     memory_profiler (0.9.14)
     method_source (0.9.2)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_histogram (0.1.3)
     mini_magick (4.10.1)
     mini_mime (1.0.0)
@@ -287,7 +289,7 @@ GEM
       activerecord (>= 4.2)
       activesupport (>= 4.2)
       arel (>= 6)
-    pghero (2.6.0)
+    pghero (2.7.0)
       activerecord (>= 5)
     photoswipe-rails (4.1.2)
     powerpack (0.1.1)
@@ -557,7 +559,7 @@ DEPENDENCIES
   pg (~> 0.21)
   pg_query (>= 0.9.0)
   pg_search (~> 2.1.2)
-  pghero (~> 2.6.0)
+  pghero (~> 2.7.0)
   photoswipe-rails (~> 4.1, >= 4.1.2)
   pry-byebug (~> 3.5)
   pry-rails (~> 0.3)