Update dependencies

go.mod

@@ -3,14 +3,9 @@ module github.com/bvantagelimited/freeradius_exporter
 go 1.14
 
 require (
-	github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 // indirect
-	github.com/gogo/protobuf v1.1.1 // indirect
-	github.com/golang/protobuf v1.2.0 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
-	github.com/prometheus/client_golang v0.9.1
-	github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910 // indirect
-	github.com/prometheus/common v0.0.0-20181126121408-4724e9255275 // indirect
-	github.com/prometheus/procfs v0.0.0-20181126161756-619930b0b471 // indirect
-	golang.org/x/sync v0.0.0-20181108010431-42b317875d0f // indirect
-	layeh.com/radius v0.0.0-20200722122539-99b3878d2518
+	github.com/prometheus/client_golang v1.12.1
+	github.com/prometheus/common v0.33.0 // indirect
+	golang.org/x/sys v0.0.0-20220412211240-33da011f77ad // indirect
+	google.golang.org/protobuf v1.28.0 // indirect
+	layeh.com/radius v0.0.0-20210819152912-ad72663a72ab
 )