Update rich requirement from ~=14.2.0 to ~=14.3.1

Updates the requirements on [rich](https://github.com/Textualize/rich) to permit the latest version.
- [Release notes](https://github.com/Textualize/rich/releases)
- [Changelog](https://github.com/Textualize/rich/blob/master/CHANGELOG.md)
- [Commits](Textualize/rich@v14.2.0...v14.3.1)

---
updated-dependencies:
- dependency-name: rich
  dependency-version: 14.3.1
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -13,7 +13,7 @@ dependencies = [
     "promplate[openai]~=0.3.4",
     "promptools[tokenizer]~=0.1.3.5",
     "pymupdf~=1.26.0",
-    "rich~=14.2.0",
+    "rich~=14.3.1",
     "ruff~=0.14.0",
     "uvicorn~=0.40.0",
     "uvicorn-hmr[all]~=0.1.0",