sdformat15: fix standalone executable rpath and rebuild (#3055)

* revision bump for urdfdom
* update  bottle.

Signed-off-by: Steve Peters <scpeters@openrobotics.org>
Co-authored-by: OSRF Build Bot <osrfbuild@osrfoundation.org>

Author: scpeters

Formula/sdformat15.rb

@@ -4,13 +4,14 @@ class Sdformat15 < Formula
   url "https://osrf-distributions.s3.amazonaws.com/sdformat/releases/sdformat-15.3.0.tar.bz2"
   sha256 "4855c95dcc53652e564f1c71d47d7e7ee73218efd8a99f2fa98207d175ee7c61"
   license "Apache-2.0"
+  revision 1
 
   head "https://github.com/gazebosim/sdformat.git", branch: "sdf15"
 
   bottle do
     root_url "https://osrf-distributions.s3.amazonaws.com/bottles-simulation"
-    sha256 sonoma:  "40de3113ad2cea2b09c36a7a169e8aee910407959d450bc7113cdb108f27e354"
-    sha256 ventura: "567c889281f63403739df481cbdeaf0787e80676a1a3b07cd63ed0ee34db2743"
+    sha256 sonoma:  "642eb6ea1a7eb99e705169366cacac94d8ca80c4876b9779589728808bebfefd"
+    sha256 ventura: "c81e9d2f4a39bc187b85efe9bec0e9abd16079166247829bc47d4e3c3da4b75c"
   end
 
   depends_on "cmake" => [:build, :test]
@@ -38,9 +39,13 @@ def python_cmake_arg(python = Formula["python@3.13"])
   end
 
   def install
+    rpaths = [
+      rpath,
+      rpath(source: libexec/"gz/sdformat15", target: lib),
+    ]
     cmake_args = std_cmake_args
     cmake_args << "-DBUILD_TESTING=Off"
-    cmake_args << "-DCMAKE_INSTALL_RPATH=#{rpath}"
+    cmake_args << "-DCMAKE_INSTALL_RPATH=#{rpaths.join(";")}"
 
     # first build without python bindings
     mkdir "build" do
@@ -62,6 +67,7 @@ def install
   end
 
   test do
+    system libexec/"gz/sdformat15/gz-sdformat-sdf"
     (testpath/"test.cpp").write <<-EOS
       #include <iostream>
       #include "sdf/sdf.hh"