Update command in maintainers guide

[srajiang]

Summary

Updates with command to run integration_tests based on setup.py line 319.

Requirements (place an x in each [ ])

• I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.
• I've run python3 -m venv .venv && source .venv/bin/activate && ./scripts/run_validation.sh after making the changes.

[codecov]

Codecov Report

Merging #1048 (b29ba81) into main (148fbb1) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #1048   +/-   ##
=======================================
  Coverage   84.33%   84.33%           
=======================================
  Files          95       95           
  Lines        8938     8938           
=======================================
  Hits         7538     7538           
  Misses       1400     1400           

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[seratch]

LGTM