Update numpy requirement from ~=1.26.3 to ~=1.26.4

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@v1.26.3...v1.26.4)

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

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

requirements.txt

@@ -4,7 +4,7 @@ beautifulsoup4~=4.12.3
 rookiepy~=0.3.6
 imagequant~=1.1.1
 memory-tempfile~=2.2.3
-numpy~=1.26.3
+numpy~=1.26.4
 Pillow~=10.2.0
 pyoxipng~=9.0.0
 python-telegram-bot~=20.5