chore: update golang.org/x/tools

Author: ldez

Diff for: go.mod

@@ -95,7 +95,7 @@ require (
 	github.com/yagipy/maintidx v1.0.0
 	github.com/yeya24/promlinter v0.1.1-0.20210918184747-d757024714a1
 	gitlab.com/bosi/decorder v0.2.1
-	golang.org/x/tools v0.1.9-0.20211228192929-ee1ca4ffc4da
+	golang.org/x/tools v0.1.9
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
 	honnef.co/go/tools v0.2.2
 	mvdan.cc/gofumpt v0.2.1