build(deps): bump golang.org/x/tools from 0.20.0 to 0.21.0 (#4706)

Author: dependabot[bot]

go.mod

@@ -125,7 +125,7 @@ require (
 	go-simpler.org/sloglint v0.6.0
 	go.uber.org/automaxprocs v1.5.3
 	golang.org/x/exp v0.0.0-20240103183307-be819d1f06fc
-	golang.org/x/tools v0.20.0
+	golang.org/x/tools v0.21.0
 	gopkg.in/yaml.v3 v3.0.1
 	honnef.co/go/tools v0.4.7
 	mvdan.cc/gofumpt v0.6.0
@@ -192,7 +192,7 @@ require (
 	golang.org/x/exp/typeparams v0.0.0-20240314144324-c7f7c6466f7f // indirect
 	golang.org/x/mod v0.17.0 // indirect
 	golang.org/x/sync v0.7.0 // indirect
-	golang.org/x/sys v0.19.0 // indirect
+	golang.org/x/sys v0.20.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
 	google.golang.org/protobuf v1.33.0 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect