Fix incorrect key

That is what happens when you don't read properly.

Author: arnaudlimbourg

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           architecture: x64
-          cache: "poetry"
+          cache: "pip"
 
       - name: Install Poetry manager
         run: pip install --upgrade poetry