Bump the requirements group with 2 updates (#3301)

Bumps the requirements group with 2 updates: [numpy](https://github.com/numpy/numpy) and [lmdb](https://github.com/jnwatson/py-lmdb).


Updates `numpy` from 2.3.1 to 2.3.2
- [Release notes](https://github.com/numpy/numpy/releases)
- [Changelog](https://github.com/numpy/numpy/blob/main/doc/RELEASE_WALKTHROUGH.rst)
- [Commits](numpy/numpy@v2.3.1...v2.3.2)

Updates `lmdb` from 1.7.2 to 1.7.3
- [Changelog](https://github.com/jnwatson/py-lmdb/blob/master/ChangeLog)
- [Commits](jnwatson/py-lmdb@py-lmdb_1.7.2...py-lmdb_1.7.3)

---
updated-dependencies:
- dependency-name: numpy
  dependency-version: 2.3.2
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: requirements
- dependency-name: lmdb
  dependency-version: 1.7.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: requirements
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements_dev_numpy.txt

@@ -1,4 +1,4 @@
 # Break this out into a separate file to allow testing against
 # different versions of numpy. This file should pin to the latest
 # numpy version.
-numpy==2.3.1
+numpy==2.3.2

requirements_dev_optional.txt

@@ -1,6 +1,6 @@
 # optional library requirements
 # bsddb3==6.2.6; sys_platform != 'win32'
-lmdb==1.7.2; sys_platform != 'win32'
+lmdb==1.7.3; sys_platform != 'win32'
 # optional library requirements for Jupyter
 ipytree==0.2.2
 ipywidgets==8.1.7