pylint: T7648: disable some linter-checks hit by GitHub action pipeline

[c-po]

Change summary

Fix an issue (by disabling the pylint line) when builds are run in the GitHub CI pipeline.

Running pylint --errors-only ...
************* Module interfaces
src/op_mode/interfaces.py:42:54: E1101: Instance of '_IO' has no 'fileno' member (no-member)
************* Module show_techsupport_report
src/op_mode/show_techsupport_report.py:62:50: E1101: Instance of '_IO' has no 'fileno' member (no-member)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Code style update (formatting, renaming)
• Refactoring (no functional changes)
• Migration from an old Vyatta component to vyos-1x, please link to related PR inside obsoleted component
• Other (please describe):

Related Task(s)

• https://vyos.dev/T7648

Related PR(s)

• T7648: Set up a linter check to check complete files for syntax errors and missing imports #4613

How to test / Smoketest result

Checklist:

• I have read the CONTRIBUTING document
• I have linked this PR to one or more Phabricator Task(s)
• I have run the components SMOKETESTS if applicable
• My commit headlines contain a valid Task id
• My change requires a change to the documentation
• I have updated the documentation accordingly

[github-actions]

👍
No issues in PR Title / Commit Title

[sever-sever]

Fix linter check

[github-actions]

CI integration 👍 passed!

Details

CI logs

• CLI Smoketests (no interfaces) 👍 passed
• CLI Smoketests (interfaces only) 👍 passed
• Config tests 👍 passed
• RAID1 tests 👍 passed
• TPM tests 👍 passed