Update external dependencies

go.mod

@@ -3,19 +3,18 @@ module github.com/hansmi/prometheus-lvm-exporter
 go 1.15
 
 require (
-	github.com/go-kit/kit v0.11.0
-	github.com/google/go-cmp v0.5.5
+	github.com/go-kit/kit v0.12.0
+	github.com/google/go-cmp v0.5.6
 	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
 	github.com/prometheus/client_golang v1.11.0
-	github.com/prometheus/common v0.30.0
+	github.com/prometheus/common v0.31.1
 	github.com/prometheus/exporter-toolkit v0.6.1
-	github.com/prometheus/procfs v0.7.2 // indirect
 	github.com/sebdah/goldie/v2 v2.5.3
 	github.com/sergi/go-diff v1.2.0 // indirect
-	golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97 // indirect
-	golang.org/x/net v0.0.0-20210805182204-aaa1db679c0d // indirect
-	golang.org/x/oauth2 v0.0.0-20210805134026-6f1e6394065a // indirect
+	golang.org/x/crypto v0.0.0-20210921155107-089bfa567519 // indirect
+	golang.org/x/net v0.0.0-20211008194852-3b03d305991f // indirect
+	golang.org/x/oauth2 v0.0.0-20211005180243-6b3c2da341f1 // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
-	golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069 // indirect
+	golang.org/x/sys v0.0.0-20211007075335-d3039528d8ac // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 )