ci: build: update pip and setuptools

.github/workflows/build.yml

@@ -35,6 +35,8 @@ jobs:
           python-version: 3.8
       - if: matrix.os == 'ubuntu-18.04'
         run: sudo apt-get install -y libyaml-dev
+      - name: Install PyInstaller
+        run: pip install --upgrade pip setuptools
       - name: Install PyInstaller
         run: pip install 'pyinstaller==4.2'
       - name: Install capa