ZHA channel ZCL attributes initialization

[Adminiuga]

Breaking change

No

Proposed change

Allow each ZHA channel to define a list of ZCL attributes to query upon channel initialization. Currently most ZHA channels have channel specific initialization to refresh ZCL attributes required for channel operation. This PR unifies that under the shared "channel initialization" method and allows each channel to define "cached" and "uncached" ZCL attributes to refresh during initialization. Additionally, reported attributes are also refreshed as "uncached" attributes. This was tested on hvac channel and now being rolled into all ZHA channels.

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New integration (thank you!)
• New feature (which adds functionality to an existing integration)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Additional information

• This PR fixes or closes issue: fixes #
• This PR is related to issue:
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
• Local tests pass. Your PR cannot be merged unless tests pass
• There is no commented out code in this PR.
• I have followed the development checklist
• The code has been formatted using Black (black --fast homeassistant tests)
• Tests have been added to verify that the new code works.

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated for www.home-assistant.io

If the code communicates with devices, web services, or third-party tools:

• The manifest file has all fields filled out correctly.
  Updated and included derived files by running: python3 -m script.hassfest.
• New or updated dependencies have been added to requirements_all.txt.
  Updated by running python3 -m script.gen_requirements_all.
• For the updated dependencies - a link to the changelog, or at minimum a diff between library versions is added to the PR description.
• Untested files have been added to .coveragerc.

The integration reached or maintains the following Integration Quality Scale:

• No score or internal
• 🥈 Silver
• 🥇 Gold
• 🏆 Platinum

To help with the load of incoming pull requests:

• I have reviewed two other open pull requests in this repository.

[probot-home-assistant]

Hey there @dmulcahey, mind taking a look at this pull request as it has been labeled with an integration (zha) you are listed as a code owner for? Thanks!
_{^{(message by CodeOwnersMention)}}