message: fix: use relative path for jsonschema tool
diff: @@ -23,8 +23,7 @@ using axom::sidre::DataStore;
  bool hasSchemaUtility()
  {
  - const static bool hasUtility =
  - std::system("/usr/bin/jsonschema --version") == 0;
  + const static bool hasUtility = std::system("jsonschema --version") == 0;
  return hasUtility;
  }
  @@ -43,7 +42,7 @@ bool validateString(Inlet& inlet, const std::string& luaString)
  inlet.write();
  const std::string cmd =
  - fmt::format("/usr/bin/jsonschema -i {0} {1}", instanceFile, schemaFile);
  + fmt::format("jsonschema -i {0} {1}", instanceFile, schemaFile);
  return std::system(cmd.c_str()) == 0;
  }
  