chore: add reserved keywords linter

[arbabkhalil]

Description:

Check reserved keywords in CI

JIRA:

PSRE-1253

Additional Details

• Dependencies:: List dependencies on other outstanding PRs, issues, etc.
• Merge deadline: List merge deadline (if any)
• Testing instructions: Provide non-trivial testing instructions
• Author concerns: List any concerns about this PR

Reviewers:

• [ ] tag reviewer

Merge checklist:

• [ ] All reviewers approved
• [ ] CI build is green
• [ ] Version bump if needed
• [ ] Changelog record added
• [ ] Documentation updated (not only docstrings)
• [ ] Commits are squashed

Post merge:

• [ ] Create a tag
• [ ] Check new version is pushed to PyPi after tag-triggered build is finished.
• [ ] Delete working branch (if not needed anymore)