Update supported Ruby versions in build matrix

I'm about to cut a major version to clear out a bunch of old Ruby
versions (already removed in 169bd93)
and since that removing them, Ruby 3.2 has also fallen out of support.

Let's get rid of that and test against both JRuby 10.0 (Ruby 3.4
compatible) and JRuby 10.1 (Ruby 4.0 compatible) while we're at it.

Signed-off-by: Chris Sinjakli <chris@sinjakli.co.uk>

Author: Sinjo

.github/workflows/ci.yml

@@ -23,12 +23,12 @@ jobs:
       fail-fast: false
       matrix:
         ruby-version:
-          - "3.2"
           - "3.3"
           - "3.4"
           - "4.0"
           - "jruby-9.4"
-          - "jruby-10.0.2.0"
+          - "jruby-10.0"
+          - "jruby-10.1"
 
     steps:
       - name: Check out