workflow: update test

Author: devhaozi

.github/workflows/test.yml

@@ -8,11 +8,11 @@ jobs:
   test:
     strategy:
       matrix:
-        go: [ '1.20', '1.19', '1.18' ]
+        go: [ 'latest', '1.21', '1.20' ]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-go@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v4
         with:
           go-version: ${{ matrix.go }}
       - name: Install dependencies