docs(pylint): Add context about disablement of Pylint messages

[john-bodley]

SUMMARY

As titled. Until we can find an automated mechanism to prevent people from adding top-level Pylint disablement, our current best solution is to document the desired pattern.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TESTING INSTRUCTIONS

CI.

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[john-bodley]

This was previously wrong as the entire section was a code block.

[codecov]

Codecov Report

Merging #17016 (9e8a782) into master (c471a85) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #17016   +/-   ##
=======================================
  Coverage   76.85%   76.85%           
=======================================
  Files        1030     1030           
  Lines       55086    55086           
  Branches     7478     7478           
=======================================
  Hits        42339    42339           
  Misses      12496    12496           
  Partials      251      251           

Flag	Coverage Δ
hive	81.47% <ø> (ø)
javascript	70.89% <ø> (ø)
mysql	81.92% <ø> (ø)
postgres	81.93% <ø> (ø)
python	82.28% <ø> (ø)
sqlite	81.60% <ø> (ø)

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