ci: fix build release actions [backport 2.0] (#6984)

Author: emmettbutler

.github/workflows/build_deploy.yml

@@ -71,7 +71,7 @@ jobs:
 
       - name: Build sdist
         run: |
-          pip install 'cython<3'
+          pip install cython
           python setup.py sdist
       - uses: actions/upload-artifact@v3
         with:
@@ -109,7 +109,6 @@ jobs:
 
   upload_pypi:
     needs:
-      - build_wheels_py36
       - build_wheels_py37
       - build_wheels_py38
       - build_wheels_py39

.github/workflows/build_python_3.yml

@@ -1,4 +1,4 @@
-name: Build Python 3.6+
+name: Build Python 3
 
 on:
   workflow_call:
@@ -44,7 +44,7 @@ jobs:
         with:
           platforms: all
 
-      - name: Build wheels python 3.6 and above
+      - name: Build wheels
         uses: pypa/[email protected]
         env:
           # configure cibuildwheel to build native archs ('auto'), and some