Update quart requirement from <0.14 to <0.20

Updates the requirements on [quart](https://github.com/pallets/quart) to permit the latest version.
- [Changelog](https://github.com/pallets/quart/blob/main/CHANGES.rst)
- [Commits](pallets/quart@0.1.0...0.19.2)

---
updated-dependencies:
- dependency-name: quart
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

pyproject.toml

@@ -28,7 +28,7 @@ dependencies = [
     "typer",
     "velin",
     "quart-trio",
-    "quart<0.14",
+    "quart<0.20",
     "flatlatex",
     # "tree_sitter", # tree sitter does not currently provide builds for all platform. tree-sitter-builds is an
     # alternative build that provide more wheels.