fix(deps): update all

Author: renovate-bot

go.mod

@@ -7,10 +7,10 @@ require (
 	github.com/gorilla/mux v1.8.0
 	github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	github.com/stretchr/testify v1.6.1
+	github.com/stretchr/testify v1.7.0
 	github.com/tailscale/depaware v0.0.0-20201214215404-77d1e9757027
 	github.com/urfave/cli v1.22.5
 	golang.org/x/mod v0.4.2 // indirect
 	golang.org/x/sys v0.0.0-20210324051608-47abb6519492 // indirect
-	golang.org/x/tools v0.1.0
+	golang.org/x/tools v0.1.1
 )