[CI] Pin Cython version to fix Cython compilation

.github/workflows/wheel_winmac_nightly.yaml

@@ -54,7 +54,7 @@ jobs:
       run: >-
         wheel/build_lib_osx.sh
       env:
-        MACOSX_DEPLOYMENT_TARGET: 10.15
+        MACOSX_DEPLOYMENT_TARGET: 11.7
     - name: Build@Win
       if: startsWith(matrix.os, 'windows')
       shell: cmd /C call {0}
@@ -66,24 +66,24 @@ jobs:
         python-version: 3.7
     - name: Wheel-Build@Py37
       env:
-        MACOSX_DEPLOYMENT_TARGET: 10.15
+        MACOSX_DEPLOYMENT_TARGET: 11.7
       run: |
-        python -m pip install setuptools Cython wheel
+        python -m pip install setuptools Cython==0.29.34 wheel
         cd tvm/python
         python setup.py bdist_wheel
     - uses: actions/setup-python@v2
       with:
         python-version: 3.8
     - name: Wheel-Build@Py38
       env:
-        MACOSX_DEPLOYMENT_TARGET: 10.15
+        MACOSX_DEPLOYMENT_TARGET: 11.7
       run: |
-        python -m pip install setuptools Cython wheel
+        python -m pip install setuptools Cython==0.29.34 wheel
         cd tvm/python
         python setup.py bdist_wheel
     # Use system python instead of conda for upload
     - name: Wheel-Deploy
-      if: github.ref == 'refs/heads/main'
+    # if: github.ref == 'refs/heads/main'
       uses: softprops/action-gh-release@v1
       env:
         GITHUB_TOKEN: ${{ secrets.TLCPACK_GITHUB_TOKEN }}

conda/recipe/meta.in.yaml

@@ -60,7 +60,7 @@ outputs:
       host:
         - python
         - setuptools
-        - cython
+        - cython >=0.29.34
         - {{ pin_subpackage(pkg_name + '-libs', exact=True) }}
       run:
         - python

docker/install/centos_install_python_package.sh

@@ -6,7 +6,7 @@ source /multibuild/manylinux_utils.sh
 
 eval "$(conda shell.bash hook)"
 
-PYTHON_PACKAGES="six numpy pytest cython decorator scipy tornado typed_ast mypy \
+PYTHON_PACKAGES="six numpy pytest cython==0.29.34 decorator scipy tornado typed_ast mypy \
 orderedset antlr4-python3-runtime attrs requests Pillow packaging junitparser synr cloudpickle xgboost==1.5.0"
 
 for env in $(conda env list | grep py | awk '{print $1}'); do

docker/install/ubuntu_install_python_package.sh

@@ -4,7 +4,7 @@ set -e
 set -u
 set -o pipefail
 
-PYTHON_PACKAGES="six numpy pytest cython decorator scipy tornado typed_ast mypy \
+PYTHON_PACKAGES="six numpy pytest cython==0.29.34 decorator scipy tornado typed_ast mypy \
 orderedset antlr4-python3-runtime attrs requests Pillow packaging junitparser synr cloudpickle xgboost==1.5.0"
 
 # install libraries for python package on ubuntu