github: bump go version to 1.19

Author: kmroz

.github/workflows/go.yml

@@ -18,7 +18,7 @@ jobs:
         name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.16
+          go-version: 1.19
       -
         name: Build
         run: go build -v ./...