chore: go1.19 (#126)

Author: RTann

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v4
         with:
-          go-version: 1.18.10
+          go-version: ~1.19
       - uses: actions/checkout@v3
         with:
           fetch-depth: 1

go.mod

@@ -1,6 +1,6 @@
 module golang.stackrox.io/grpc-http1
 
-go 1.18
+go 1.19
 
 require (
 	github.com/golang/glog v1.1.0