Bump the python-packages group in /backend with 2 updates

Bumps the python-packages group in /backend with 2 updates: [pylint](https://github.com/pylint-dev/pylint) and [psycopg](https://github.com/psycopg/psycopg).


Updates `pylint` from 3.3.0 to 3.3.1
- [Release notes](https://github.com/pylint-dev/pylint/releases)
- [Commits](pylint-dev/pylint@v3.3.0...v3.3.1)

Updates `psycopg` from 3.2.2 to 3.2.3
- [Changelog](https://github.com/psycopg/psycopg/blob/master/docs/news.rst)
- [Commits](psycopg/psycopg@3.2.2...3.2.3)

---
updated-dependencies:
- dependency-name: pylint
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python-packages
- dependency-name: psycopg
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python-packages
...

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

backend/requirements.txt

@@ -1,7 +1,7 @@
 coverage==7.6.1
 Twisted==24.7.0
 psycopg2-binary==2.9.9
-pylint==3.3.0
+pylint==3.3.1
 SQLAlchemy==2.0.35
 price-parser==0.3.4
 Scrapy==2.11.2

backend/tests/requirements.txt

@@ -1,5 +1,5 @@
 ddt==1.7.2
-psycopg==3.2.2
+psycopg==3.2.3
 pytest==8.3.3
 testcontainers[postgres]==4.8.1
 unittest-xml-reporting==3.2.0