message: Fix the toolchain name for catalyst builds
diff: @@ -530,7 +530,7 @@ def doBuildMacOsCatalyst(String buildType) {
  withEnv(['DEVELOPER_DIR=/Applications/Xcode-11.app/Contents/Developer/']) {
  sh """
  rm -rf *
  - cmake -D CMAKE_TOOLCHAIN_FILE=../tools/cmake/catalyst.toolchain.cmake \\
  + cmake -D CMAKE_TOOLCHAIN_FILE=../tools/cmake/maccatalyst.toolchain.cmake \\
  -D CMAKE_BUILD_TYPE=${buildType} \\
  -D REALM_VERSION=${gitDescribeVersion} \\
  -D REALM_SKIP_SHARED_LIB=ON \\
  