Update postgresql test gems, remove tests on Rails 6.1

Author: rmosolgo

.github/workflows/ci.yaml

@@ -44,7 +44,6 @@ jobs:
         include:
           - gemfile: Gemfile
             ruby: 3.2
-          # Rails 6.1 is tested with Postgresql below
           - gemfile: gemfiles/rails_7.0.gemfile
             ruby: 3.1
           - gemfile: gemfiles/rails_master.gemfile
@@ -93,7 +92,7 @@ jobs:
           --health-timeout 5s
           --health-retries 5
     steps:
-    - run: echo BUNDLE_GEMFILE='gemfiles/rails_6.1_postgresql.gemfile' > $GITHUB_ENV
+    - run: echo BUNDLE_GEMFILE='gemfiles/rails_7.1_postgresql.gemfile' > $GITHUB_ENV
     - run: echo DATABASE='POSTGRESQL' > $GITHUB_ENV
     - run: echo PGPASSWORD='postgres' > $GITHUB_ENV
     - run: echo GRAPHQL_CPARSER=1 > $GITHUB_ENV

gemfiles/rails_6.1.gemfile

@@ -6,8 +6,10 @@ gem "bootsnap"
 gem "ruby-prof", platform: :ruby
 gem "pry"
 gem "pry-stack_explorer", platform: :ruby
-gem "rails", "~> 6.1.0", require: "rails/all"
+gem "rails", "~> 7.1.0", require: "rails/all"
 gem "pg", platform: :ruby
 gem "sequel"
+gem "evt"
+gem "async"
 
 gemspec path: "../"