Updated mediawiki/extensions
Project: mediawiki/extensions/BounceHandler  12c3366a1acf773af53f611af740c3b3393f0841

Marked the BounceHandler API as internal

Updated the API and tests to respond to false or malformed API request.

Bug: 72685
Change-Id: I1767fcf126b0b1385725d96eb9eedebac2856a7b