Bump numexpr from 2.8.5 to 2.8.7 in /etc/requirements_dependabot

Bumps [numexpr](https://github.com/pydata/numexpr) from 2.8.5 to 2.8.7.
- [Release notes](https://github.com/pydata/numexpr/releases)
- [Changelog](https://github.com/pydata/numexpr/blob/master/RELEASE_NOTES.rst)
- [Commits](pydata/numexpr@v2.8.5...v2.8.7)

---
updated-dependencies:
- dependency-name: numexpr
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

etc/requirements_dependabot/requirements_tests.txt

@@ -51,7 +51,7 @@ msgpack==1.0.5
     # via blosc2
 mypy-extensions==1.0.0
     # via black
-numexpr==2.8.5
+numexpr==2.8.7
     # via tables
 numpy==1.25.2
     # via