ARROW-247 Fix BulkWriteError import error

[aclark4life]

No description provided.

[ShaneHarvey]

Could you open a new ticket for the CI failures?

  running build_ext
  building 'pymongoarrow.lib' extension
  creating build/temp.linux-x86_64-cpython-38/pymongoarrow
  g++ -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -fPIC -I/tmp/build-env-enxg91zw/lib/python3.8/site-packages/numpy/core/include -I/tmp/build-env-enxg91zw/lib/python3.8/site-packages/pyarrow/include -I/tmp/build-env-enxg91zw/include -I/opt/_internal/cpython-3.8.20/include/python3.8 -c pymongoarrow/lib.cpp -o build/temp.linux-x86_64-cpython-38/pymongoarrow/lib.o -std=c++17
  pymongoarrow/lib.cpp:1451:10: fatal error: bson/bson.h: No such file or directory
   1451 | #include <bson/bson.h>
        |          ^~~~~~~~~~~~~
  compilation terminated.
  error: command '/opt/rh/gcc-toolset-12/root/usr/bin/g++' failed with exit code 1

https://github.com/mongodb-labs/mongo-arrow/actions/runs/10965200904/job/30450473822?pr=234

[aclark4life]

Could you open a new ticket for the CI failures?

https://jira.mongodb.org/browse/ARROW-248

[blink1073]

Merging so I can pick up this fix in #235