CI: Fix generating requirements-dev.txt (#57185)

Author: rhshadrach

requirements-dev.txt

@@ -3,7 +3,7 @@
 
 pip
 versioneer[toml]
-cython~==3.0.5
+cython~=3.0.5
 meson[ninja]==1.2.1
 meson-python==0.13.1
 pytest>=7.3.2

scripts/generate_pip_deps_from_conda.py

@@ -45,7 +45,7 @@ def conda_package_to_pip(package: str):
     - A package requiring a specific version, in conda is defined with a single
       equal (e.g. ``pandas=1.0``) and in pip with two (e.g. ``pandas==1.0``)
     """
-    package = re.sub("(?<=[^<>])=", "==", package).strip()
+    package = re.sub("(?<=[^<>~])=", "==", package).strip()
 
     for compare in ("<=", ">=", "=="):
         if compare in package: