Bump numpy from 1.26.4 to 2.3.2 in /demos (#1591)

Bumps [numpy](https://github.com/numpy/numpy) from 1.26.4 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@v1.26.4...v2.3.2)

---
updated-dependencies:
- dependency-name: numpy
  dependency-version: 2.3.2
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

demos/moderator/requirements-dev.txt

@@ -1,7 +1,7 @@
 aiohttp==3.12.15
 trafaret==2.1.1
 pyyaml==6.0.2
-numpy==1.26.4
+numpy==2.3.2
 pandas==2.3.2
 scikit-learn==1.7.0
 scipy==1.16.1

demos/moderator_bot/requirements-dev.txt

@@ -10,7 +10,7 @@ importlib-metadata==0.23 ; python_version < '3.8'
 joblib==1.5.1
 more-itertools==10.7.0
 multidict==6.6.3
-numpy==1.26.4
+numpy==2.3.2
 pluggy==1.6.0
 pytest==8.3.5
 pytest-aiohttp==1.1.0