fix(test): we rely on some go 1.20 features, remove matrix

Signed-off-by: Sphericalkat <amolele@gmail.com>

.github/workflows/test.yml

@@ -5,9 +5,6 @@ jobs:
   test:
     name: Run tests
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        go-version: ["1.18", "1.19", "1.20"]
     steps:
       - uses: actions/checkout@v3
 
@@ -31,7 +28,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: ${{ matrix.go-version }}
+          go-version: 1.20
 
       - name: Build
         run: go build .