Meltano

<https://github.com/meltano/meltano/pull/10121|#10121 refactor: Replace `metaclass=abc.ABCMeta` with `abc.ABC`>
Pull request opened by <https://github.com/edgarrmondragon|edgarrmondragon>
*Description*

*Checklist*

• I have read the <https://docs.meltano.com/contribute/merge/|contribution guide>

*Was generative AI tooling used to co-author this PR?*

• Yes (please specify the tool below)

*Related Issues*

• Closes #XXXX

*Summary by Sourcery*

Enhancements:
• Update several core abstract classes to subclass abc.ABC rather than specifying metaclass=abc.ABCMeta for improved clarity and modern style.
<https://github.com/meltano/meltano|meltano/meltano>

<https://github.com/meltano/meltano/pull/10121|#10121 refactor: Replace `metaclass=abc.ABCMeta` with `abc.ABC`>
Pull request ready for review by <https://github.com/edgarrmondragon|edgarrmondragon>
<https://github.com/meltano/meltano|meltano/meltano>

<https://github.com/meltano/meltano/pull/10121|#10121 refactor: Replace `metaclass=abc.ABCMeta` with `abc.ABC`>
Pull request merged by <https://github.com/edgarrmondragon|edgarrmondragon>
<https://github.com/meltano/meltano|meltano/meltano>