Change pins to <4.0

Author: rhshadrach

ci/deps/actions-310-minimum_versions.yaml

@@ -8,7 +8,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython~=3.1.0
+  - cython<4.0
   - meson=1.2.1
   - meson-python=0.13.1
 

ci/deps/actions-310.yaml

@@ -6,7 +6,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython~=3.1.0
+  - cython<4.0
   - meson=1.2.1
   - meson-python=0.13.1
 

ci/deps/actions-311-downstream_compat.yaml

@@ -7,7 +7,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython~=3.1.0
+  - cython<4.0
   - meson=1.2.1
   - meson-python=0.13.1
 

ci/deps/actions-311-numpydev.yaml

@@ -8,7 +8,7 @@ dependencies:
   - versioneer
   - meson=1.2.1
   - meson-python=0.13.1
-  - cython~=3.1.0
+  - cython<4.0
 
   # test dependencies
   - pytest>=7.3.2

ci/deps/actions-311-pyarrownightly.yaml

@@ -7,7 +7,7 @@ dependencies:
   # build dependencies
   - versioneer
   - meson=1.2.1
-  - cython~=3.1.0
+  - cython<4.0
   - meson-python=0.13.1
 
   # test dependencies

ci/deps/actions-311.yaml

@@ -6,7 +6,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython~=3.1.0
+  - cython<4.0
   - meson=1.2.1
   - meson-python=0.13.1
 

ci/deps/actions-312.yaml

@@ -6,7 +6,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython~=3.1.0
+  - cython<4.0
   - meson=1.2.1
   - meson-python=0.13.1
 

ci/deps/actions-313-freethreading.yaml

@@ -7,7 +7,7 @@ dependencies:
   # build dependencies
   - setuptools
   - versioneer
-  - cython~=3.1.0
+  - cython<4.0
   - meson=1.8.0
   - meson-python=0.18.0
 
@@ -22,10 +22,8 @@ dependencies:
   # optional dependencies
   - hypothesis>=6.84.0
 
-  # Move Cython to build dependencies, once they release a version that supports freethreading
   - pip:
     # No free-threaded coveragepy (with the C-extension) on conda-forge yet
     - pytest-cov
     - "tzdata>=2022.7"
     - "--extra-index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple"
-    - "cython"

ci/deps/actions-313.yaml

@@ -6,7 +6,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython~=3.1.0
+  - cython<4.0
   - meson=1.2.1
   - meson-python=0.13.1
 

ci/deps/actions-pypy-39.yaml

@@ -9,7 +9,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython~=3.1.0
+  - cython<4.0
   - meson=1.2.1
   - meson-python=0.13.1