Add ruby 3.2

Author: henrik242

.github/workflows/scheduled_jobs.yml

@@ -15,6 +15,8 @@ jobs:
         include:
           - ruby_version: "3.1"
             postgresql_version: 17
+          - ruby_version: "3.2"
+            postgresql_version: 17
     outputs:
       image_tag: ${{ steps.meta.outputs.tags }}
       image_sha: ${{ steps.docker_build.outputs.digest }}