Update numpy requirement from ~=2.3.5 to ~=2.4.0 in /dao (#494)

Updates the requirements on [numpy](https://github.com/numpy/numpy) to permit the latest version.
- [Release notes](https://github.com/numpy/numpy/releases)
- [Changelog](https://github.com/numpy/numpy/blob/main/doc/RELEASE_WALKTHROUGH.rst)
- [Commits](numpy/numpy@v2.3.5...v2.4.0)

---
updated-dependencies:
- dependency-name: numpy
  dependency-version: 2.4.0
  dependency-type: direct:production
...

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dao/requirements.txt

@@ -2,7 +2,7 @@ pandas~=2.3.3
 pytz~=2025.2
 requests~=2.32.5
 matplotlib~=3.10.8
-numpy~=2.3.5
+numpy~=2.4.0
 mysql~=0.0.3
 cffi~=2.0.0
 mysql-connector-python~=9.5.0