Fix Redis limiter

[Rotheem]

Description

Summary

When using multiple IPs in FORWARDED_ALLOW_IPS variable, request.client.host can be something else than an IP address string and will be wrongly parsed by Redis, implying an error and refusing the connection.

Changes Made

• Force input data type to string

Type of Change

• 🐛 Bug fix (non-breaking change which fixes an issue)

• ✨ New feature (non-breaking change which adds functionality)

• 🔨 Refactor (non-breaking change that neither fixes a bug nor adds a feature)

• 🔧 Infra CI/CD (changes to configs of workflows)

• 💥 BREAKING CHANGE (fix or feature that require a new minimal version of the front-end)

• 😶‍🌫️ No impact for the end-users

Impact & Scope

• Core functionality changes

• Single module changes

• Multiple modules changes

• Database migrations required

• Other:

Testing

• 1. Tested this locally

• 2. Added/modified tests that pass the CI

• 3. Tested in a pre-prod

• 0. Untestable (exceptionally), will be tested in prod directly
  Error condition are uncertain and can't be reproduced

Documentation

• Updated the docs accordingly :

• " Docstrings

• # Inline comments

• No documentation needed

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.80%. Comparing base (81b6e15) to head (4a72713).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #885   +/-   ##
=======================================
  Coverage   85.80%   85.80%           
=======================================
  Files         190      190           
  Lines       14600    14600           
=======================================
  Hits        12527    12527           
  Misses       2073     2073           

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