Remove ruby 3.0

Author: Genevieve Nuebel

.github/workflows/run-specs.yml

@@ -10,7 +10,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby-version: ['3.0', '3.1', '3.2']
+        ruby-version: ['3.1', '3.2']
 
     steps:
       - uses: actions/checkout@v4