Add jruby-head to CI

Author: alexdunae

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby: ["2.6", "2.7", "3.0", "3.1", "3.2", "3.3"]
+        ruby: ["2.6", "2.7", "3.0", "3.1", "3.2", "3.3", "jruby-head"]
         gemfile: ["4.2", "5.0", "5.1", "5.2", "6.0", "6.1", "7.0", "7.1"]
 
         exclude:
@@ -27,6 +27,8 @@ jobs:
             ruby: "3.2"
           - gemfile: "4.2"
             ruby: "3.3"
+          - gemfile: "4.2"
+            ruby: "jruby-head"
           - gemfile: "5.0"
             ruby: "3.0"
           - gemfile: "5.0"
@@ -35,6 +37,8 @@ jobs:
             ruby: "3.2"
           - gemfile: "5.0"
             ruby: "3.3"
+          - gemfile: "5.0"
+            ruby: "jruby-head"
           - gemfile: "5.1"
             ruby: "3.0"
           - gemfile: "5.1"
@@ -43,6 +47,8 @@ jobs:
             ruby: "3.2"
           - gemfile: "5.1"
             ruby: "3.3"
+          - gemfile: "5.1"
+            ruby: "jruby-head"
           - gemfile: "5.2"
             ruby: "3.0"
           - gemfile: "5.2"
@@ -51,6 +57,8 @@ jobs:
             ruby: "3.2"
           - gemfile: "5.2"
             ruby: "3.3"
+          - gemfile: "5.2"
+            ruby: "jruby-head"
           - gemfile: "6.0"
             ruby: "3.2"
           - gemfile: "6.0"