Bump psycopg[c] from 3.2.8 to 3.2.9 in /requirements

Bumps [psycopg[c]](https://github.com/psycopg/psycopg) from 3.2.8 to 3.2.9.
- [Changelog](https://github.com/psycopg/psycopg/blob/3.2.9/docs/news.rst)
- [Commits](psycopg/psycopg@3.2.8...3.2.9)

---
updated-dependencies:
- dependency-name: psycopg[c]
  dependency-version: 3.2.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements/common.txt

@@ -14,7 +14,7 @@ Jinja2==3.1.6
 libsass==0.23.0
 Markdown==3.8
 Pillow==11.2.1
-psycopg[c]==3.2.8
+psycopg[c]==3.2.9
 Pygments==2.19.1
 pykismet3==0.1.1
 requests==2.32.3