Bump pylint from 3.0.3 to 3.1.0 in /external/price_server

Bumps [pylint](https://github.com/pylint-dev/pylint) from 3.0.3 to 3.1.0.
- [Release notes](https://github.com/pylint-dev/pylint/releases)
- [Commits](pylint-dev/pylint@v3.0.3...v3.1.0)

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

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

external/price_server/requirements.txt

@@ -37,7 +37,7 @@ packaging==23.2
 platformdirs==4.2.0
 protobuf==4.25.3
 psycopg2==2.9.9
-pylint==3.0.3
+pylint==3.1.0
 pynvim==0.5.0
 six==1.16.0
 tomli==2.0.1