Log Message:
openexr: update to 3.1.9.

## Version 3.1.9 (June 25, 2023)

Patch release that addresses miscelleneous build and doc issues, as well as:

* OSS-fuzz [59382](https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=59382)
  Heap-buffer-overflow in internal_huf_decompress

### Merged Pull Requests

* [1461](https::/github.com/AcademySoftwareFoundation/openexr/pull/1461)
  don't use NaNs/infs in testOptimizedInterleavePatterns
* [1457](https::/github.com/AcademySoftwareFoundation/openexr/pull/1457)
  Bazel support: Switch back to VS2019 due to a toolchain issue in Bazel
* [1454](https::/github.com/AcademySoftwareFoundation/openexr/pull/1454)
  Add ``OPENEXR_IMF_INTERNAL_NAMESPACE`` for ``WidenFilename``
* [1452](https::/github.com/AcademySoftwareFoundation/openexr/pull/1452)
  Use ``security@openexr.com`` for consistency
* [1448](https::/github.com/AcademySoftwareFoundation/openexr/pull/1448)
  compression.cpp: fix isnan
* [1443](https::/github.com/AcademySoftwareFoundation/openexr/pull/1443)
  Bazel bump imath
* [1439](https::/github.com/AcademySoftwareFoundation/openexr/pull/1439)
  Fix scenario where malformed dwa file could read past end of buffer
* [1416](https::/github.com/AcademySoftwareFoundation/openexr/pull/1416)
  IlmThread: fix defines for older macOS: do not prefix with ``__``