Update cython requirement from <4,>=3.0 to >=3.2.4,<4 in /sdks/python

Updates the requirements on [cython](https://github.com/cython/cython) to permit the latest version.
- [Release notes](https://github.com/cython/cython/releases)
- [Changelog](https://github.com/cython/cython/blob/master/CHANGES.rst)
- [Commits](cython/cython@3.0.0...3.2.4)

---
updated-dependencies:
- dependency-name: cython
  dependency-version: 3.2.4
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

sdks/python/container/base_image_requirements_manual.txt

@@ -25,7 +25,7 @@
 # Consider constraining requirements of Beam itself when necessary.
 
 bs4  # Commonly used HTML processing tool.
-cython>=3,<4
+cython>=3.2.4,<4
 # future is no longer a Beam dependency, but is an implicit dependency in
 # some versions of libraries that launch Beam pipelines, like tensorflow-transform.
 # Leaving 'future' in our containers for now prevent breaking tft users.

sdks/python/pyproject.toml

@@ -32,7 +32,7 @@ requires = [
     # Numpy headers
     "numpy>=1.14.3,<2.5.0", # Update setup.py as well.
     # having cython here will create wheels that are platform dependent.
-    "cython>=3.0,<4",
+    "cython>=3.2.4,<4",
     ## deps for generating external transform wrappers:
     # also update PyYaml bounds in sdks:python:generateExternalTransformsConfig
     'pyyaml>=3.12,<7.0.0',