[Python Skills] Update Python host bot

[ceciliaavila]

Description

This pull request updates the host bot to import the BotFrameworkHttp class from the
botbuilder.integration.aiohttp package.
We took the PR#2245 as a reference to update our Python host bot to the latest BotBuilder-Sample implementation.

Changes Made

• Update host bot to use botbuilder.integration.aiohttp
• Update to install the latest version of botbuilder-core
• Update the allowed skill claims validator class
• Update host bot to import the SkillHttpClient class from botbuilder.integration.aiohttp.skills
• Add the adapter_with_error_handler class
• Remove the old skill_http_client class
• Add the skill_conversation_id_factory class

Testing

[axelsrz]

You could also take a look at this file to have an idea on how to update the id factory

[ceciliaavila]

Hi @axelsrz , @mrivera-ms , we applied the feedback. The PR is now ready to merge. Thanks!