chore(deps): bump python

Bumps the dependencies group with 1 update in the /projects/pgai directory: python.


Updates `python` from 3.12-slim to 3.13-slim

---
updated-dependencies:
- dependency-name: python
  dependency-version: 3.13-slim
  dependency-type: direct:production
  dependency-group: dependencies
...

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

Author: dependabot[bot]

projects/pgai/Dockerfile

@@ -1,5 +1,5 @@
 # Note: some dependencies are not supported on 3.13, do not bump until that is sorted out
-FROM python:3.12-slim AS build
+FROM python:3.13.7-slim AS build
 ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1 \
     UV_PROJECT_ENVIRONMENT=/usr/local/
@@ -25,7 +25,7 @@ RUN uv lock # update lockfile, switches to cpu-only torch
 RUN uv sync --frozen --no-install-project --no-dev --extra vectorizer-worker
 
 # Note: some dependencies are not supported on 3.13, do not bump until that is sorted out
-FROM python:3.12-slim
+FROM python:3.13.7-slim
 ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1
 WORKDIR /app