requirements: update pycuda requirement from <2025,>2018 to >2018,<2026 (#3198)

Updates the requirements on [pycuda](https://github.com/inducer/pycuda) to permit the latest version.
- [Release notes](https://github.com/inducer/pycuda/releases)
- [Commits](inducer/pycuda@v2024.1...v2025.1)

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

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

Author: jvesely

cuda_requirements.txt

@@ -1 +1 @@
-pycuda >2018, <2025
+pycuda >2018, <2026