Fixing python313 deprecation warnings

[gandiddi]

Fixes #2111, #2112

Description

Fixed DeprecationWarning in Python 3.13.0rc1

Specific Changes

Below is the list of deprecation warnings/errors:

1. ModuleNotFoundError: No module named 'pkg_resources'

   • Added setuptools==72.1.0 in /libraries/botframework-connector/tests/requirements.txt

2. ModuleNotFoundError: No module named '_sha256'

   • Changed _sha256 to hashlib in telemetry_processor.py

3. ModuleNotFoundError: No module named 'cgi'

   • Updated the older Django 3.2.24 version to Django 4.2.15

4. TypeError: 'NoneType' object is not subscriptable

   • Handled 'NoneType' error in the 'oauth_prompt.py'

5. DeprecationWarning: datetime.datetime.utcnow(), datetime.datetime.utcfromtimestamp() is deprecated

   • Used datetime.now(), datetime.fromtimestamp() with UTC instead.

6. DeprecationWarning: The object should be created within an async function

   • Updated pytest-asyncio version to 0.23.8

7. DeprecationWarning: There is no current event loop

   • Creating a new event loop object, if there is no running event loop.

8. DeprecationWarning: It is deprecated to return a value that is not None from a test case

   • Removed non-'None' return values from the test case

9. RuntimeWarning: coroutine 'AsyncMockMixin._execute_mock_call' was never awaited

   • Updated async method calls to ensure they are awaited.

Testing

Ran the pip install commands and pytest in the following Python versions, and they are working as expected
Python 3.13.0rc1, 3.12.5, 3.11.7, 3.10.11, 3.9.13, 3.8.10