packaging: Migrate project to use PEP 621

[edgarrmondragon]

References:

• PEP 621
• packaging: Use Poetry support for PEP 621 sdk#2407
• Poetry 2.0 announcement

### Tasks
- [ ] https://github.com/meltano/meltano/issues/9015
- [ ] Migrate project metadata (authors, maintainers, readme, license, classifiers) to `[project]` table
- [ ] Migrate project URLs to `[project]` table
- [ ] Migrate packaging plugins (if any) and entry points to `[project]` table
- [ ] Migrate `[tool.poetry.dependencies]` table to `dependencies` array in `[project]` table