Fix pandas 0.22 incompatibility by upgrading Arrow (ray-project#3786)

cmake/Modules/ArrowExternalProject.cmake

@@ -15,17 +15,17 @@
 #  - PLASMA_SHARED_LIB
 
 set(arrow_URL https://github.com/ray-project/arrow.git)
-# This commit is based on https://github.com/apache/arrow/pull/3392. We
+# This commit is based on https://github.com/apache/arrow/pull/3410. We
 # include the link here to make it easier to find the right commit because
 # Arrow often rewrites git history and invalidates certain commits.
 # It has been patched to fix an upstream symbol clash with TensorFlow,
 # the patch is available at
-# https://github.com/ray-project/arrow/commit/f8c990e4165012123e03d822c95526eaea5cbfab
+# https://github.com/ray-project/arrow/commit/511dae1149e3656bbf84f461729f2306d2ebf2e5
 # See the discussion in https://github.com/apache/arrow/pull/3177
 # WARNING: If the arrow version is updated, you need to also update the
 # SETUPTOOLS_SCM_PRETEND_VERSION version string in the ThirdpartyToolchain.cmake
 # file
-set(arrow_TAG f8c990e4165012123e03d822c95526eaea5cbfab)
+set(arrow_TAG 511dae1149e3656bbf84f461729f2306d2ebf2e5)
 
 set(ARROW_INSTALL_PREFIX ${CMAKE_CURRENT_BINARY_DIR}/external/arrow-install)
 set(ARROW_HOME ${ARROW_INSTALL_PREFIX})