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[python linting] enforce E713: Test for membership should be 'not in'

Description

[python linting] enforce E713: Test for membership should be 'not in'

Summary: Depends on D5200

Test Plan:
ninja check-all
arc lint --everything

Reviewers: #bitcoin_abc, Fabien

Reviewed By: #bitcoin_abc, Fabien

Differential Revision: https://reviews.bitcoinabc.org/D5202