[noto_lint] Add a default value for extrema_threshold.
[noto_lint] Add a default value for extrema_threshold.

yannisl/noto-monolithic,wskplho/noto-monolithic,wskplho/noto-monolithic,yannisl/noto-monolithic,yannisl/noto-monolithic,wskplho/noto-monolithic,yannisl/noto-monolithic,wskplho/noto-monolithic