Alembic 1.7.16 has been released

[Lucas Miller]

Thanks to your feedback,and pull requests a couple of bug fixes and a
GitHub enhancement.

GitHub:

Add a Github Action to create a python 2.7 wheel. (PR 310)

AbcCoreHDF5:

Specify char signedness when setting the HDF5 data type as some
architectures, like ARM, default to unsigned. (PR 316)

AbcCoreOgawa:

Fuzzer issue 25695: Fix leak that can occur when reading meta data,
but the file is maliciously cut short. (PR 315)

Fuzzer issue 26125: Add a check and throw an excpetion for an
obviously recursive group. (PR 321)

It can be gotten here:

https://github.com/alembic/alembic/releases/tag/1.7.16