Ensure freethreading build gets distinct name

Author: jbarlow83

.github/workflows/build.yml

@@ -32,7 +32,7 @@ jobs:
           if-no-files-found: error
 
   wheels_linux_prerelease_python:
-    name: ${{ matrix.platform }} - pre-release
+    name: ${{ matrix.platform }} - pre-release ${{ matrix.freethreading && '- freethreading' || '' }}
     runs-on: ubuntu-22.04
     continue-on-error: true
     env: