actions: Simplify test action

Author: justincampbell

.github/workflows/test.yml

@@ -11,16 +11,17 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest]
-        go-version: [1.21]
+        os:
+        - ubuntu-latest
+        - macos-latest
 
     steps:
     - uses: actions/checkout@v4
 
     - name: Set up Go
-      uses: actions/setup-go@v5
+      uses: actions/setup-go@v6
       with:
-        go-version: ${{ matrix.go-version }}
+        go-version: stable
 
     - name: Run tests
       run: make test