Install packaging

Signed-off-by: Jono Yang <jyang@nexb.com>

Author: JonoYang

.github/workflows/pypi-release.yml

@@ -37,7 +37,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install pypa/build and twine
-        run: python -m pip install --user --upgrade build twine pkginfo
+        run: python -m pip install --user --upgrade build twine pkginfo packaging
 
       - name: Build sdist
         run: python -m build --sdist --outdir dist/
@@ -66,7 +66,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install pypa/build and twine
-        run: python -m pip install --user --upgrade build twine pkginfo
+        run: python -m pip install --user --upgrade build twine pkginfo packaging
 
       - name: Build a binary wheel
         run: python -m build --wheel --outdir dist/