Absorb qttasktree submodule

commit3adeccba89738542b1f85d1a68769b5e2329d1de
parent79156feb723d788818f18b88a0f4292c4bbef59e
parent89d45b575d7c0cffc9c616dc809d7a0a5d703729
authormozsearch-qt index builder <mozsearch-qt@localhost>
committermozsearch-qt index builder <mozsearch-qt@localhost>
commit timeThu, 29 Oct 2026 16:27:31 +0000