Add draco to build dependencies

Otherwise this error occurs:

```
CMake Error at /opt/homebrew/share/cmake/Modules/FindPackageHandleStandardArgs.cmake:233 (message):
  Could NOT find Draco (missing: DRACO_LIBRARY DRACO_INCLUDE_DIR)
Call Stack (most recent call first):
  /opt/homebrew/share/cmake/Modules/FindPackageHandleStandardArgs.cmake:603 (_FPHSA_FAILURE_MESSAGE)
  cmake/FindDraco.cmake:53 (FIND_PACKAGE_HANDLE_STANDARD_ARGS)
  CMakeLists.txt:537 (find_package)
```

Author: AlexanderWillner

INSTALL.md

@@ -922,7 +922,7 @@ For example install Homebrew
 and these development/build tools
 
 ```bash
-brew install git cmake ninja pkg-config wget bash-completion curl gnu-sed coreutils ccache libtool astyle help2man autoconf automake pandoc
+brew install git cmake ninja pkg-config wget bash-completion curl gnu-sed coreutils ccache libtool astyle help2man autoconf automake pandoc draco
 ```
 
 if you have these tools installed from MacPorts or Conda, it is the same, but we will need to be able to