Modernize Python repo | Developer & CI Tools #519

Description:
In this ticket, we have to modernize the following repos with
1 - Consolidate package metadata into pyproject.toml
2 - Switch dependency management from pip-compile to uv
3 - Add semantic-release

Details for each step can be found on the parent ticket: #506

• edx-lint - https://github.com/openedx/edx-lint
• code-annotations - https://github.com/openedx/code-annotations
• api-doc-tools - https://github.com/openedx/api-doc-tools
• pytest-repo-health - https://github.com/openedx/pytest-repo-health
• edx-repo-health - https://github.com/openedx/edx-repo-health
• olxcleaner - https://github.com/openedx/olxcleaner
• cc2olx - https://github.com/openedx/cc2olx
• pr_watcher_notifier - https://github.com/openedx/pr_watcher_notifier

PRs:
edx-lint: openedx/edx-lint#563
code-annotations: openedx/code-annotations#246
api-doc-tools: openedx/api-doc-tools#409