Test with Ruby 3.2

Tests Rails 6.1 & 7.0 with Ruby 3.2.

Also, this creates a separate CI job that only succeeds if the entire
matrix in the `test` job passes. This allows us to have 1 required check
instead of many.

.github/workflows/ci.yml

@@ -3,7 +3,7 @@ name: CI
 on: push
 
 jobs:
-  test:
+  tests:
     runs-on: ubuntu-latest
 
     services:
@@ -27,40 +27,51 @@ jobs:
           - "2.7"
           - "3.0"
           - "3.1"
+          - "3.2"
         gemfile:
           - rails5.1
           - rails5.2
           - rails6.0
           - rails6.1
           - rails7.0
         exclude:
-          - ruby-version: "2.7"
-            gemfile: rails5.1
-          - ruby-version: "2.7"
-            gemfile: rails5.2
-          - ruby-version: "3.0"
-            gemfile: rails5.1
-          - ruby-version: "3.0"
-            gemfile: rails5.2
-          - ruby-version: "3.1"
-            gemfile: rails5.1
-          - ruby-version: "3.1"
-            gemfile: rails5.2
-          - ruby-version: "3.1"
-            gemfile: rails6.0
-          - ruby-version: "2.6"
-            gemfile: rails7.0
+          - {ruby-version: "2.6", gemfile: rails7.0}
+          - {ruby-version: "2.7", gemfile: rails5.1}
+          - {ruby-version: "2.7", gemfile: rails5.2}
+          - {ruby-version: "3.0", gemfile: rails5.1}
+          - {ruby-version: "3.0", gemfile: rails5.2}
+          - {ruby-version: "3.1", gemfile: rails5.1}
+          - {ruby-version: "3.1", gemfile: rails5.2}
+          - {ruby-version: "3.1", gemfile: rails6.0}
+          - {ruby-version: "3.2", gemfile: rails5.1}
+          - {ruby-version: "3.2", gemfile: rails5.2}
+          - {ruby-version: "3.2", gemfile: rails6.0}
     env:
       BUNDLE_GEMFILE: gemfiles/${{ matrix.gemfile }}.gemfile
     steps:
-      - uses: zendesk/checkout@v2
+      - uses: zendesk/checkout@v3
       - name: Set up Ruby
         uses: zendesk/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby-version }}
           bundler-cache: true
       - run: bundle exec rake test
 
+  tests_successful:
+    name: Tests passing?
+    needs: tests
+    if: always()
+    runs-on: [self-hosted, zendesk-stable]
+    steps:
+      - run: |
+          if ${{ needs.tests.result == 'success' }}
+          then
+            echo "All tests passed"
+          else
+            echo "Some tests failed"
+            false
+          fi
+
   lint:
     runs-on: ubuntu-latest
     steps: