condition setuptools version and upgrade packaging to avoid error associated with PEP 639 and pypa/twine#1216

Author: speediedan

.github/workflows/release-pypi.yml

@@ -31,8 +31,10 @@ jobs:
         python-version: '3.12'
 
     - name: Install dependencies
+      # we upgrade packaging to address https://github.com/pypa/twine/issues/1216
       run: >-
         python -m pip install --user --upgrade build
+        python -m pip install -U packaging
 
     - name: Build packages
       run: |

pyproject.toml

@@ -1,6 +1,6 @@
 [build-system]
 requires = [
-    "setuptools",
+    "setuptools<77.0.0",
     "wheel",
 ]