ci: restrict CI testing to Ubuntu platform only

- Remove macOS from the CI test matrix, limiting tests to Ubuntu only

Signed-off-by: appleboy <[email protected]>

Author: appleboy

.github/workflows/go.yml

@@ -44,13 +44,11 @@ jobs:
   test:
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest]
         go: [1.23, 1.24]
         include:
           - os: ubuntu-latest
             go-build: ~/.cache/go-build
-          - os: macos-latest
-            go-build: ~/Library/Caches/go-build
     name: ${{ matrix.os }} @ Go ${{ matrix.go }}
     runs-on: ${{ matrix.os }}
     env: