Bump lmdb from 0.97 to 1.2.1 (#754)
Bump lmdb from 0.97 to 1.2.1 (#754)

Bumps [lmdb](https://github.com/jnwatson/py-lmdb) from 0.97 to 1.2.1.
- [Release notes](https://github.com/jnwatson/py-lmdb/releases)
- [Changelog](https://github.com/jnwatson/py-lmdb/blob/master/ChangeLog)
- [Commits](https://github.com/jnwatson/py-lmdb/compare/py-lmdb_0.97...py-lmdb_1.2.1)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
zarr-developers/zarr-python