Update latex parser

Author: AndreasArvidsson

package.json

@@ -44,7 +44,7 @@
     "tree-sitter-javascript": "github:tree-sitter/tree-sitter-javascript#391a8fcc48a11f63bf18ec9885f6f069e760949a",
     "tree-sitter-json": "github:tree-sitter/tree-sitter-json#94f5c527b2965465956c2000ed6134dd24daf2a7",
     "tree-sitter-kotlin": "github:fwcd/tree-sitter-kotlin#76f53c48d29e8588934fb55b0240d7bdfe00bfe5",
-    "tree-sitter-latex": "github:latex-lsp/tree-sitter-latex#1666e9780de42a31b1376d32fbe8332e8dd5850f",
+    "tree-sitter-latex": "github:latex-lsp/tree-sitter-latex#a6c812704b3d3e1541b0853aa0d6d561301320e1",
     "tree-sitter-lua": "github:tree-sitter-grammars/tree-sitter-lua#9668709211b2e683f27f414454a8b51bf0a6bda1",
     "tree-sitter-markdown": "github:tree-sitter-grammars/tree-sitter-markdown#192407ab5a24bfc24f13332979b5e7967518754a",
     "tree-sitter-nix": "github:nix-community/tree-sitter-nix#66e3e9ce9180ae08fc57372061006ef83f0abde7",