build(deps): bump confluent-kafka from 2.3.0 to 2.4.0 in /requirements

Bumps [confluent-kafka](https://github.com/confluentinc/confluent-kafka-python) from 2.3.0 to 2.4.0.
- [Release notes](https://github.com/confluentinc/confluent-kafka-python/releases)
- [Changelog](https://github.com/confluentinc/confluent-kafka-python/blob/master/CHANGELOG.md)
- [Commits](confluentinc/confluent-kafka-python@v2.3.0...v2.4.0)

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

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

requirements/requirements-dev.txt

@@ -50,7 +50,7 @@ click==8.1.7
     # via flask
 configargparse==1.7
     # via locust
-confluent-kafka==2.3.0
+confluent-kafka==2.4.0
     # via -r requirements.txt
 cramjam==2.8.3
     # via

requirements/requirements.in

@@ -2,7 +2,7 @@
 accept-types<1
 aiohttp<4
 aiokafka==0.10.0
-confluent-kafka==2.3.0
+confluent-kafka==2.4.0
 isodate<1
 jsonschema<5
 lz4

requirements/requirements.txt

@@ -27,7 +27,7 @@ avro @ https://github.com/aiven/avro/archive/5a82d57f2a650fd87c819a30e433f1abb2c
     # via -r requirements.in
 cachetools==5.3.3
     # via -r requirements.in
-confluent-kafka==2.3.0
+confluent-kafka==2.4.0
     # via -r requirements.in
 cramjam==2.8.3
     # via python-snappy