Bump python from 3.8 to 3.13 in /react

Bumps python from 3.8 to 3.13.

---
updated-dependencies:
- dependency-name: python
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

react/Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.8
+FROM python:3.13
 
 WORKDIR /app
 COPY requirements.txt ./