Update pdoc requirement from ~=14.7 to ~=15.0

Updates the requirements on [pdoc](https://github.com/mitmproxy/pdoc) to permit the latest version.
- [Changelog](https://github.com/mitmproxy/pdoc/blob/main/CHANGELOG.md)
- [Commits](mitmproxy/pdoc@v14.7...v15)

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

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

requirements.txt

@@ -6,7 +6,7 @@ chex==0.1.87
 optax==0.2.3
 tqdm~=4.66
 matplotlib~=3.9
-pdoc~=14.7
+pdoc~=15.0
 ipywidgets~=8.1
 black~=24.10
 jupyter-black~=0.4