Revert "build(deps): bump structlog from 23.1.0 to 23.2.0 in /tools (#2111)"

This reverts commit eaae9a0.

The update broke one of the Docker build tasks.

Author: marco-c

tools/requirements.txt

@@ -2,7 +2,7 @@ aiohttp==3.8.6
 async-timeout==4.0.3
 pytz==2023.3.post1
 sentry-sdk==1.16.0
-structlog==23.2.0
+structlog==23.1.0
 taskcluster==55.3.4
 # Please see #1779, this eventually must be removed!
 urllib3==2.0.6