Absorb qtmqtt submodule

commitf3b09d02cdefecee6768039b5743399601d6dd32
parentf2452901daaac218ad453dc5d8a539ffbe8a7be4
parentd8fa0e633fa2c21590f77c2ef8d83ae69206467b
authormozsearch-qt index builder <mozsearch-qt@localhost>
committermozsearch-qt index builder <mozsearch-qt@localhost>
commit timeThu, 29 Oct 2026 16:27:04 +0000