Only run formatting on newer releases

Author: drteeth

.github/workflows/test.yml

@@ -54,7 +54,7 @@ jobs:
     - name: Install dependencies
       run: mix deps.get
 
-    - name: Check formatting
+    - if: ${{ matrix.elixir > 1.14 }}
       run: mix format --check-formatted
 
     - name: Setup EventStore test databases