Bump strong_migrations from 1.8.0 to 2.0.0 (#768)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile

@@ -33,7 +33,7 @@ gem 'rswag-ui', '~> 2.13.0'
 gem 'sass-rails', '~> 6.0.0'
 gem 'sendgrid', '~> 1.2.4'
 gem 'sprockets', '~> 4.2.1'
-gem 'strong_migrations', '~> 1.8'
+gem 'strong_migrations', '~> 2.0'
 gem 'yaaf', '~> 2.2'
 # Use Redis adapter to run Action Cable in production
 # gem 'redis', '~> 4.0'

Gemfile.lock

@@ -565,8 +565,8 @@ GEM
       activesupport (>= 5.2)
       sprockets (>= 3.0.0)
     stringio (3.1.1)
-    strong_migrations (1.8.0)
-      activerecord (>= 5.2)
+    strong_migrations (2.0.0)
+      activerecord (>= 6.1)
     strscan (3.1.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
@@ -661,7 +661,7 @@ DEPENDENCIES
   shoulda-matchers (~> 6.2)
   simplecov (~> 0.22.0)
   sprockets (~> 4.2.1)
-  strong_migrations (~> 1.8)
+  strong_migrations (~> 2.0)
   tzinfo-data
   webmock (~> 3.23)
   yaaf (~> 2.2)