Update numpy requirement in the production-dependencies group (#91)

Updates the requirements on [numpy](https://github.com/numpy/numpy) to permit the latest version.

Updates `numpy` to 2.2.6
- [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...v2.2.6)

---
updated-dependencies:
- dependency-name: numpy
  dependency-version: 2.2.6
  dependency-type: direct:production
  dependency-group: production-dependencies
...

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

Author: dependabot[bot]

pyproject.toml

@@ -13,7 +13,7 @@ dependencies = [
   "pyqtgraph>=0.13.7",
   "PyQt6>=6.9.0",
   "pylsl>=1.17.6",
-  "numpy>=1.26.4,<2.1.0"
+  "numpy>=1.26.4,<2.3.0"
 ]
 
 [project.scripts]