Add support for Python 3.10 (#379)

This commit adds support for building pc-nrfutil under Python 3.10.
It also modifies the following dependencies:

- Use pc-ble-driver-py 0.16.4, which supports Python 3.10.
- Require protobuf >=3.17.3, which has proper Python 3.10 support.

Author: Martin Galvan

requirements-frozen.txt

@@ -4,7 +4,7 @@ crcmod==1.7
 ecdsa==0.17.0
 intelhex==2.3.0
 libusb1==1.9.3
-pc-ble-driver-py==0.16.1
+pc-ble-driver-py==0.16.4
 piccata==2.0.1
 protobuf==3.17.3
 pyserial==3.5

requirements.txt

@@ -4,9 +4,9 @@ crcmod
 ecdsa
 intelhex
 libusb1==1.9.3
-pc_ble_driver_py >= 0.16.1
+pc_ble_driver_py >= 0.16.4
 piccata
-protobuf < 4.0.0
+protobuf >=3.17.3, < 4.0.0
 pyserial
 pyspinel >= 1.0.0a3
 pyyaml

setup.py

@@ -148,7 +148,7 @@ def run_tests(self):
                      '../libusb/x86/libusb-1.0.dll', '../libusb/x64/libusb-1.0.dll',
                      '../libusb/x64/libusb-1.0.dylib', '../libusb/LICENSE']
     },
-    python_requires='>=3.7, <3.10',
+    python_requires='>=3.7, <3.11',
     install_requires=reqs,
     zipfile=None,
     tests_require=[
@@ -174,6 +174,7 @@ def run_tests(self):
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
     ],
     keywords='nordic nrf51 nrf52 ble bluetooth dfu ota softdevice serialization nrfutil pc-nrfutil',
     cmdclass={