packaging: Use Poetry support for PEP 621

[edgarrmondragon]

How to get the tooling set up to test this PR:

pipx install --suffix _pep621 git+https://github.com/radoering/poetry.git@pep621-support --force
pipx inject poetry_pep621 'poetry-dynamic-versioning>=1.4.0' --force
poetry_pep621 lock

Related:

• Add support for the project section (PEP 621) python-poetry/poetry#9135
• Add support for the project section (PEP 621) python-poetry/poetry-core#708
• Support the [project] section (PEP 621) mtkennerly/poetry-dynamic-versioning#181
• Support Poetry projects that use PEP 621 cjolowicz/nox-poetry#1223

Tasks:

• Migrate project metadata (authors, maintainers, readme, license)
• Migrate project URLs
• Migrate dependencies
• Migrate plugins and entry points

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📚 Documentation preview 📚: https://meltano-sdk--2407.org.readthedocs.build/en/2407/

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.47%. Comparing base (732e756) to head (1d0fe98).
Report is 1 commits behind head on main.

Additional details and impacted files

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##             main    #2407   +/-   ##
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  Coverage   89.47%   89.47%           
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  Files          58       58           
  Lines        4799     4799           
  Branches      937      937           
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  Hits         4294     4294           
  Misses        352      352           
  Partials      153      153           

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