Bump requests from 2.23.0 to 2.31.0 in /etl

Bumps [requests](https://github.com/psf/requests) from 2.23.0 to 2.31.0.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](https://github.com/psf/requests/compare/v2.23.0...v2.31.0)

---
updated-dependencies:
- dependency-name: requests
  dependency-type: direct:production
...

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

etl/planning_data/requirements.txt

@@ -1,3 +1,3 @@
 # Python packages for planning data import
 psycopg2==2.8.6
-requests==2.27.1
+requests==2.31.0

etl/requirements.txt

@@ -4,4 +4,4 @@ osmnx==0.13
 psycopg2==2.7.5
 shapely==1.7
 retrying==1.3.3
-requests==2.23.0
+requests==2.31.0