Merge branch 'gitlab-database-load_balancing-stub' into 'master'

Introduce `gitlab-database-load_balancing` stub

See merge request gitlab-org/gitlab!137634



Merged-by: Rémy Coutable <remy@rymai.me>
Approved-by: Rémy Coutable <remy@rymai.me>
Reviewed-by: Rémy Coutable <remy@rymai.me>
Co-authored-by: Kamil Trzciński <ayufan@ayufan.eu>

gems/rspec_flaky/Gemfile.lock

@@ -2,6 +2,7 @@ PATH
   remote: ../gitlab-rspec
   specs:
     gitlab-rspec (0.1.0)
+      activerecord (>= 6.1, < 8)
       activesupport (>= 6.1, < 8)
       rspec (~> 3.0)
 
@@ -15,18 +16,34 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (7.0.6)
+    activemodel (7.1.1)
+      activesupport (= 7.1.1)
+    activerecord (7.1.1)
+      activemodel (= 7.1.1)
+      activesupport (= 7.1.1)
+      timeout (>= 0.4.0)
+    activesupport (7.1.1)
+      base64
+      bigdecimal
       concurrent-ruby (~> 1.0, >= 1.0.2)
+      connection_pool (>= 2.2.5)
+      drb
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
+      mutex_m
       tzinfo (~> 2.0)
     ast (2.4.2)
+    base64 (0.2.0)
+    bigdecimal (3.1.4)
     binding_of_caller (1.0.0)
       debug_inspector (>= 0.0.1)
     coderay (1.1.3)
     concurrent-ruby (1.2.2)
+    connection_pool (2.4.1)
     debug_inspector (1.1.0)
     diff-lcs (1.5.0)
+    drb (2.2.0)
+      ruby2_keywords
     gitlab-styles (10.1.0)
       rubocop (~> 1.50.2)
       rubocop-graphql (~> 0.18)
@@ -37,6 +54,7 @@ GEM
       concurrent-ruby (~> 1.0)
     json (2.6.3)
     minitest (5.18.1)
+    mutex_m (0.2.0)
     parallel (1.23.0)
     parser (3.2.2.3)
       ast (~> 2.4.1)
@@ -104,6 +122,8 @@ GEM
       rubocop-capybara (~> 2.17)
       rubocop-factory_bot (~> 2.22)
     ruby-progressbar (1.13.0)
+    ruby2_keywords (0.0.5)
+    timeout (0.4.1)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     unicode-display_width (2.4.2)