Declare dependency to pymssql

[ocalvo]

Fixes #29837

Breaking Change:

Description:

With release 0.103.0 the dependency declaration to pymssql is missing.

Related issue (if applicable): fixes #

Pull request with documentation for home-assistant.io (if applicable): home-assistant/home-assistant.io#<home-assistant.io PR number goes here>

Example entry for configuration.yaml (if applicable):

N/A

Checklist:

• The code change is tested and works locally.
• Local tests pass with tox. Your PR cannot be merged unless tests pass
• There is no commented out code in this PR.
• I have followed the development checklist

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

• Documentation added/updated in home-assistant.io

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

• The manifest file has all fields filled out correctly. Update and include derived files by running python3 -m script.hassfest.
• New or updated dependencies have been added to requirements_all.txt by running python3 -m script.gen_requirements_all.
• Untested files have been added to .coveragerc.

If the code does not interact with devices:

• Tests have been added to verify that the new code works.

[pvizeli]

pymssql is depricated and we use now pyodbc on our images

[ocalvo]

Is it possible to document how to migrate your configuration from mssql to odbc?

[ocalvo]

https://www.home-assistant.io/integrations/recorder/ still references mssql, so we should update the docs