PARQUET-853: Pass PARQUET_BOOST_USE_SHARED to Arrow EP

Author: Korn, Uwe <Uwe.Korn@blue-yonder.com>

Closes #318 from xhochy/PARQUET-853 and squashes the following commits:

cb54dbc [Korn, Uwe] PARQUET-853: Pass PARQUET_BOOST_USE_SHARED to Arrow EP
diff --git a/cmake_modules/ThirdpartyToolchain.cmake b/cmake_modules/ThirdpartyToolchain.cmake
index 930a42f..44b2619 100644
--- a/cmake_modules/ThirdpartyToolchain.cmake
+++ b/cmake_modules/ThirdpartyToolchain.cmake
@@ -552,6 +552,7 @@
     -DCMAKE_INSTALL_LIBDIR=${ARROW_LIB_DIR}
     -DARROW_JEMALLOC=OFF
     -DARROW_IPC=OFF
+    -DARROW_BOOST_USE_SHARED=${PARQUET_BOOST_USE_SHARED}
     -DARROW_BUILD_TESTS=OFF)
   
   if (MSVC)