docs: fix formatting and spelling in kafka release note [backport #5931 to 1.13] (#5933)

Backport of #5931 to 1.13

Blocks the release of v1.12.9, v1.13.4, and 1.14.0

Introduced by: #5887

## Checklist

- [x] Change(s) are motivated and described in the PR description.
- [x] Testing strategy is described if automated tests are not included
in the PR.
- [x] Risk is outlined (performance impact, potential for breakage,
maintainability, etc).
- [x] Change is maintainable (easy to change, telemetry, documentation).
- [x] [Library release note
guidelines](https://ddtrace.readthedocs.io/en/stable/contributing.html#Release-Note-Guidelines)
are followed.
- [x] Documentation is included (in-code, generated user docs, [public
corp docs](https://github.com/DataDog/documentation/)).

## Reviewer Checklist

- [x] Title is accurate.
- [x] No unnecessary changes are introduced.
- [x] Description motivates each change.
- [x] Avoids breaking
[API](https://ddtrace.readthedocs.io/en/stable/versioning.html#interfaces)
changes unless absolutely necessary.
- [x] Testing strategy adequately addresses listed risk(s).
- [x] Change is maintainable (easy to change, telemetry, documentation).
- [x] Release note makes sense to a user of the library.
- [x] Reviewer has explicitly acknowledged and discussed the performance
implications of this PR as reported in the benchmarks PR comment.

Author: mabdinur

releasenotes/notes/pass-args-kwargs-to-kafka-f3ca8128a2c4d612.yaml

@@ -1,4 +1,4 @@
 ---
 fixes:
   - |
-    kafka: Fixes ``TypeError` raised when artibrary keyword arguments are passed to ``confluent_kafka.Consumer``
+    kafka: Fixes ``TypeError`` raised when arbitrary keyword arguments are passed to ``confluent_kafka.Consumer``