fix: upgrade CI Go version to 1.19

Author: hsluoyz

.github/workflows/ci.yml

@@ -31,7 +31,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.14
+          go-version: 1.19
 
       - uses: actions/checkout@v2
       - name: Run Unit tests