adjust workflow versions

Author: lqs

.github/workflows/go.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go-version: [ '1.19', '1.20', '1.21', '1.22' ]
+        go-version: [ '1.22', '1.23' ]
     steps:
     - uses: actions/checkout@v4
     - name: Setup Go ${{ matrix.go-version }}