build: Name each CI run

Since experimental: true is in the list of "matrix element particles", a boolean is listed in the name for each matrix element, making the list a little confusing. This attempts to get rid of that.

.github/workflows/development.yml

@@ -4,6 +4,7 @@ on: [push, pull_request]
 
 jobs:
   test:
+    name: ${{matrix.ruby}} on ${{matrix.os}}
     runs-on: ${{matrix.os}}-latest
     continue-on-error: ${{matrix.experimental}}