Absorb qtlanguageserver submodule

commitc2e5e1b374d5c09888672409519b338a75dfad93
parent35e07d1e6e4239e1fdc1116c720e7ac647445452
parent54babb40e3ca7cdc1faf7af28059d3f01909d117
authormozsearch-qt index builder <mozsearch-qt@localhost>
committermozsearch-qt index builder <mozsearch-qt@localhost>
commit timeThu, 29 Oct 2026 16:26:58 +0000