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)

[rgraber]

Hi @arbabkhalil ! Should this PR be updated and reviewed or discarded? We're cleaning out old open PRs and this one has not been touched for 2 years.

[rgraber]

We've got the go-ahead from SRE and data engineering to merge all these but this one appears to have errors.