Fix CI job names

Author: oscarbenjamin

.github/workflows/buildwheel.yml

@@ -173,7 +173,7 @@ jobs:
 
   # Test against flint main
   test_flint_main:
-    name: Test flint main
+    name: Test flint main Linux x86-64
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
@@ -187,7 +187,7 @@ jobs:
 
   # Test against flint main
   test_flint_main_arm:
-    name: Test flint main
+    name: Test flint main Linux ARM
     runs-on: ubuntu-24.04-arm
     steps:
       - uses: actions/checkout@v4