Update llvmlite requirement in the python-packages group (#454)

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

Updates `llvmlite` to 0.43.0
- [Release notes](https://github.com/numba/llvmlite/releases)
- [Commits](numba/llvmlite@v0.42.0...v0.43.0)

---
updated-dependencies:
- dependency-name: llvmlite
  dependency-type: direct:production
  dependency-group: python-packages
...

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

tests/test-requirements.txt

@@ -2,5 +2,5 @@ pytest
 pytest-timeout
 hypothesis
 requests_mock
-llvmlite ~= 0.42.0
+llvmlite ~= 0.43.0
 pytest-rerunfailures