chore(deps): update golang.org/x/sys commit hash to af8b642 (GoogleCloudPlatform#1047)

Author: renovate-bot

go.mod

@@ -12,7 +12,7 @@ require (
 	go.uber.org/zap v1.19.1
 	golang.org/x/net v0.0.0-20211020060615-d418f374d309
 	golang.org/x/oauth2 v0.0.0-20211104180415-d3ed0bb246c8
-	golang.org/x/sys v0.0.0-20211209171907-798191bca915
+	golang.org/x/sys v0.0.0-20211210111614-af8b64212486
 	golang.org/x/time v0.0.0-20211116232009-f0f3c7e86c11
 	google.golang.org/api v0.62.0
 )

go.sum

@@ -373,8 +373,8 @@ golang.org/x/sys v0.0.0-20210823070655-63515b42dcdf/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20210908233432-aa78b53d3365/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211124211545-fe61309f8881/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211205182925-97ca703d548d/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20211209171907-798191bca915 h1:P+8mCzuEpyszAT6T42q0sxU+eveBAF/cJ2Kp0x6/8+0=
-golang.org/x/sys v0.0.0-20211209171907-798191bca915/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20211210111614-af8b64212486 h1:5hpz5aRr+W1erYCL5JRhSUBJRph7l9XkNveoExlrKYk=
+golang.org/x/sys v0.0.0-20211210111614-af8b64212486/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=