clean(ci): remove last ref to requirements

Author: Guts

.github/workflows/release.yml

@@ -32,7 +32,6 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip setuptools wheel
-          python -m pip install --upgrade -r requirements.txt
           python -m pip install --upgrade build
 
       - name: Build a binary wheel and a source tarball