chore(.github/action): update CI env go version to 1.18

Author: WenyXu

.github/workflows/go.yml .github/workflows/ci.yml

@@ -1,4 +1,4 @@
-name: Go
+name: CI
 
 on:
   push:
@@ -8,15 +8,15 @@ on:
 
 jobs:
 
-  build:
+  tests:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
 
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.16
+        go-version: 1.18
 
     - name: Test
       run: go test -v ./pkg/...