build(deps): bump golang.org/x/tools from 0.1.5 to 0.1.6 (#2245)

Author: dependabot[bot]

Diff for: go.mod

@@ -86,7 +86,7 @@ require (
 	github.com/uudashr/gocognit v1.0.5
 	github.com/valyala/quicktemplate v1.6.3
 	github.com/yeya24/promlinter v0.1.0
-	golang.org/x/tools v0.1.5
+	golang.org/x/tools v0.1.6
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
 	honnef.co/go/tools v0.2.1
 	mvdan.cc/gofumpt v0.1.1