Bump activerecord from 5.2.4.3 to 6.1.3

Bumps [activerecord](https://github.com/rails/rails) from 5.2.4.3 to 6.1.3.
- [Release notes](https://github.com/rails/rails/releases)
- [Changelog](https://github.com/rails/rails/blob/v6.1.3/activerecord/CHANGELOG.md)
- [Commits](rails/rails@v5.2.4.3...v6.1.3)

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

Gemfile.lock

@@ -2,37 +2,36 @@ PATH
   remote: .
   specs:
     stale_options (0.1.2)
-      activerecord (>= 5.2.4.3, < 6.1)
-      activesupport (>= 5.2.4.3, < 6.1)
+      activerecord (>= 5.2.4.3, < 7.0)
+      activesupport (>= 5.2.4.3, < 7.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    activemodel (5.2.4.3)
-      activesupport (= 5.2.4.3)
-    activerecord (5.2.4.3)
-      activemodel (= 5.2.4.3)
-      activesupport (= 5.2.4.3)
-      arel (>= 9.0)
-    activesupport (5.2.4.3)
+    activemodel (6.1.3)
+      activesupport (= 6.1.3)
+    activerecord (6.1.3)
+      activemodel (= 6.1.3)
+      activesupport (= 6.1.3)
+    activesupport (6.1.3)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+      zeitwerk (~> 2.3)
     appraisal (2.3.0)
       bundler
       rake
       thor (>= 0.14.0)
-    arel (9.0.0)
-    concurrent-ruby (1.1.6)
+    concurrent-ruby (1.1.8)
     coveralls (0.8.23)
       json (>= 1.8, < 3)
       simplecov (~> 0.16.1)
       term-ansicolor (~> 1.3)
       thor (>= 0.19.4, < 2.0)
       tins (~> 1.6)
     docile (1.3.2)
-    i18n (1.8.3)
+    i18n (1.8.9)
       concurrent-ruby (~> 1.0)
     json (2.3.0)
     minitest (5.14.1)
@@ -47,11 +46,11 @@ GEM
     term-ansicolor (1.7.1)
       tins (~> 1.0)
     thor (1.0.1)
-    thread_safe (0.3.6)
     tins (1.25.0)
       sync
-    tzinfo (1.2.7)
-      thread_safe (~> 0.1)
+    tzinfo (2.0.4)
+      concurrent-ruby (~> 1.0)
+    zeitwerk (2.4.2)
 
 PLATFORMS
   ruby