Add changes from review

Author: brianschubert

.github/workflows/third_party.yml

@@ -323,7 +323,7 @@ jobs:
       - name: Install uv
         run: curl -LsSf https://astral.sh/uv/install.sh | sh
       - name: Checkout sqlalchemy
-        run: for i in {1..2}; do git clone -b ${{ matrix.checkout-ref }} --depth=1 https://github.com/sqlalchemy/sqlalchemy.git && break; done
+        run: git clone -b ${{ matrix.checkout-ref }} --depth=1 https://github.com/sqlalchemy/sqlalchemy.git && git clone -b ${{ matrix.checkout-ref }} --depth=1 https://github.com/sqlalchemy/sqlalchemy.git
       - name: Checkout typing_extensions
         uses: actions/checkout@v4
         with:
@@ -342,8 +342,6 @@ jobs:
           tox -e github-nocext \
             --force-dep "typing-extensions @ file://$(pwd)/../typing-extensions-latest" \
             -- -q --nomemory --notimingintensive
-        env:
-          TOX_WORKERS: -n4
 
   create-issue-on-failure:
     name: Create an issue if daily tests failed