Update pylint.yml For Better Security

[RynoCODE]

This commit is for security. If there are any pull requests that are mistakenly merged this will block any malicious intent.

[vikhyat]

Any idea why it didn't run the workflow on this PR?

[RynoCODE]

Because you have added

on:
  # Only run on PRs to avoid duplicate runs
  pull_request:
    paths:
      - 'clients/python/**'
      - '.github/workflows/python-client-tests.yml'

so the trigger conditions are clients/python/* and .github/workflows/python-client-tests.yml'

instead if you keep:

on:
    pull_request:

I have also added permissions to other workflows for better security:
#184