gz-sensors9: revision bump rebuild

Author: scpeters

Formula/gz-sensors9.rb

@@ -4,7 +4,7 @@ class GzSensors9 < Formula
   url "https://osrf-distributions.s3.amazonaws.com/gz-sensors/releases/gz-sensors-9.2.0.tar.bz2"
   sha256 "af2ec9a453a830338e80e94954160030e81b3ff8f60853e7c5730cdd2950be85"
   license "Apache-2.0"
-  revision 1
+  revision 2
 
   head "https://github.com/gazebosim/gz-sensors.git", branch: "gz-sensors9"