ci(esp_tinyusb): Upgrade pip

.github/workflows/build_and_run_test_app_usb.yml

@@ -77,6 +77,7 @@ jobs:
         env:
           PIP_EXTRA_INDEX_URL: "https://dl.espressif.com/pypi/"
         run: |
+             python3 -m pip install --upgrade pip
              pip install --only-binary cryptography pytest-embedded pytest-embedded-serial-esp pytest-embedded-idf pyserial pyusb libusb
              apt-get update && apt-get install libusb-1.0-0-dev udev -y
       - name: Run USB Test App on target