gz-sim9: revision bump rebuild

Author: scpeters

Formula/gz-sim9.rb

@@ -4,6 +4,7 @@ class GzSim9 < Formula
   url "https://osrf-distributions.s3.amazonaws.com/gz-sim/releases/gz-sim-9.3.0.tar.bz2"
   sha256 "9edd898fa2ee6b6c0223529b4b0d594bdb576d3ed7e86ef70d7b3869dad59f36"
   license "Apache-2.0"
+  revision 1
 
   head "https://github.com/gazebosim/gz-sim.git", branch: "gz-sim9"