Bump go.mod go version to 1.18. Test on 1.19.

Author: oschwald

.github/workflows/go.yml

@@ -8,7 +8,7 @@ jobs:
     name: Build
     strategy:
       matrix:
-        go-version: [1.17.x, 1.18.x]
+        go-version: [1.18.x, 1.19.x]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     steps:

go.mod

@@ -1,10 +1,10 @@
 module github.com/oschwald/maxminddb-golang
 
-go 1.17
+go 1.18
 
 require (
 	github.com/stretchr/testify v1.7.3
-	golang.org/x/sys v0.0.0-20220325203850-36772127a21f
+	golang.org/x/sys v0.0.0-20220804214406-8e32c043e418
 )
 
 require (

go.sum

@@ -10,6 +10,8 @@ github.com/stretchr/testify v1.7.3 h1:dAm0YRdRQlWojc3CrCRgPBzG5f941d0zvAKu7qY4e+
 github.com/stretchr/testify v1.7.3/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 golang.org/x/sys v0.0.0-20220325203850-36772127a21f h1:TrmogKRsSOxRMJbLYGrB4SBbW+LJcEllYBLME5Zk5pU=
 golang.org/x/sys v0.0.0-20220325203850-36772127a21f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220804214406-8e32c043e418 h1:9vYwv7OjYaky/tlAeD7C4oC9EsPTlaFl1H2jS++V+ME=
+golang.org/x/sys v0.0.0-20220804214406-8e32c043e418/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=