Add ruby 3.2 and 3.3 to test matrix

.github/workflows/tests.yml

@@ -8,25 +8,37 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [2.6, 2.7, 3.0, 3.1, head]
+        ruby: [2.6, 2.7, "3.0", 3.1, 3.2, 3.3, head]
         rails: [4.2.11.3, 5.0.7.2, 5.1.7, 5.2.4.4, 6.0.3.4, 6.1.0, 7.0.3.1]
         exclude:
           # Ruby 2.6 and Rails 7 do not get along together.
           - ruby: 2.6
             rails: 7.0.3.1
           # Ruby 3.0 and Rails 5 do not get along together.
-          - ruby: 3.0
+          - ruby: "3.0"
             rails: 5.0.7.2
-          - ruby: 3.0
+          - ruby: "3.0"
             rails: 5.1.7
-          - ruby: 3.0
+          - ruby: "3.0"
             rails: 5.2.4.4
           - ruby: 3.1
             rails: 5.0.7.2
           - ruby: 3.1
             rails: 5.1.7
           - ruby: 3.1
             rails: 5.2.4.4
+          - ruby: 3.2
+            rails: 5.0.7.2
+          - ruby: 3.2
+            rails: 5.1.7
+          - ruby: 3.2
+            rails: 5.2.4.4
+          - ruby: 3.3
+            rails: 5.0.7.2
+          - ruby: 3.3
+            rails: 5.1.7
+          - ruby: 3.3
+            rails: 5.2.4.4
           - ruby: head
             rails: 5.0.7.2
           - ruby: head