docs: better deployment docs (#911)

* docs: better deployment docs

* Apply suggestions from code review

Co-authored-by: Joe Rickerby <joerick@mac.com>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Co-authored-by: Joe Rickerby <joerick@mac.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

examples/github-deploy.yml

@@ -21,11 +21,6 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - uses: actions/setup-python@v2
-        name: Install Python
-        with:
-          python-version: '3.8'
-
       - name: Build wheels
         uses: pypa/cibuildwheel@v2.2.2
 
@@ -39,13 +34,8 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - uses: actions/setup-python@v2
-        name: Install Python
-        with:
-          python-version: '3.8'
-
       - name: Build sdist
-        run: python setup.py sdist
+        run: pipx run build --sdist
 
       - uses: actions/upload-artifact@v2
         with: