chore(build): bump Go from 1.17 to 1.18

- Unneeded disabled linters are: `rowserrcheck`, `sqlclosecheck`
- Disabled linter is `wastedassign` which is tolerable

Dockerfile

@@ -1,6 +1,6 @@
 ARG ALPINE_VERSION=3.16
 ARG GO_ALPINE_VERSION=3.16
-ARG GO_VERSION=1.17
+ARG GO_VERSION=1.18
 ARG XCPUTRANSLATE_VERSION=v0.6.0
 ARG GOLANGCI_LINT_VERSION=v1.49.0
 ARG MOCKGEN_VERSION=v1.6.0

go.mod

@@ -1,6 +1,6 @@
 module github.com/qdm12/gluetun
 
-go 1.17
+go 1.18
 
 require (
 	github.com/breml/rootcerts v0.2.6

internal/provider/privateinternetaccess/httpclient_test.go

@@ -30,7 +30,7 @@ func Test_newHTTPClient(t *testing.T) {
 	piaTransport, ok := piaClient.Transport.(*http.Transport)
 	require.True(t, ok)
 
-	subjects := piaTransport.TLSClientConfig.RootCAs.Subjects()
+	subjects := piaTransport.TLSClientConfig.RootCAs.Subjects() //nolint:staticcheck
 	assert.NotEmpty(t, subjects)
 	piaCertFound := false
 	for _, subject := range subjects {