chore(kingpin): switch from gopkg.in/alecthomas/kingpin to github.com/alecthomas/kingpin

Author: xbglowx

go.mod

@@ -1,29 +1,29 @@
 module prometheus-mailgun-exporter
 
 require (
+	github.com/alecthomas/kingpin/v2 v2.4.0
 	github.com/mailgun/mailgun-go/v3 v3.6.4
 	github.com/prometheus/client_golang v1.22.0
 	github.com/prometheus/common v0.63.0
 	github.com/rs/zerolog v1.34.0
-	gopkg.in/alecthomas/kingpin.v2 v2.4.0
 )
 
 require (
-	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 // indirect
-	github.com/alecthomas/units v0.0.0-20210208195552-ff826a37aa15 // indirect
+	github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.1.1 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/go-chi/chi v4.1.2+incompatible // indirect
-	github.com/golang/protobuf v1.4.3 // indirect
-	github.com/google/go-cmp v0.5.6 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/procfs v0.6.0 // indirect
-	golang.org/x/sys v0.1.0 // indirect
-	google.golang.org/protobuf v1.26.0-rc.1 // indirect
+	github.com/prometheus/client_model v0.6.1 // indirect
+	github.com/prometheus/procfs v0.15.1 // indirect
+	github.com/xhit/go-str2duration/v2 v2.1.0 // indirect
+	golang.org/x/sys v0.30.0 // indirect
+	google.golang.org/protobuf v1.36.5 // indirect
 )
 
 go 1.24.2