Update rich requirement

Updates the requirements on [rich](https://github.com/Textualize/rich) to permit the latest version.

Updates `rich` to 15.0.0
- [Release notes](https://github.com/Textualize/rich/releases)
- [Changelog](https://github.com/Textualize/rich/blob/master/CHANGELOG.md)
- [Commits](Textualize/rich@v13.0.0...v15.0.0)

---
updated-dependencies:
- dependency-name: rich
  dependency-version: 15.0.0
  dependency-type: direct:production
  dependency-group: python-dependencies
...

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

Author: dependabot[bot]

pyproject.toml

@@ -27,7 +27,7 @@ requires-python = ">=3.9"
 dependencies = [
     "httpx ~= 0.28",                                 # better HTTP requests
     'bokeh ~= 2.4; platform_system != "Emscripten"', # interactive plots from datalab directly
-    "rich >= 13,< 15",                                  # nicer terminal output
+    "rich >= 13,< 16",                                  # nicer terminal output
     "numpy < 2",                                     # upper pin for numpy due to bad pins in bokeh
 ]