Bump redis from 4.4.1 to 4.4.2 in /requirements (#20176)

Bumps [redis](https://github.com/redis/redis-py) from 4.4.1 to 4.4.2.
- [Release notes](https://github.com/redis/redis-py/releases)
- [Changelog](https://github.com/redis/redis-py/blob/master/CHANGES)
- [Commits](https://github.com/redis/redis-py/compare/v4.4.1...v4.4.2)

---
updated-dependencies:
- dependency-name: redis
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements/prod.txt

@@ -386,9 +386,9 @@ pytz==2022.7 \
 sentry_sdk==1.12.1 \
     --hash=sha256:5bbe4b72de22f9ac1e67f2a4e6efe8fbd595bb59b7b223443f50fe5802a5551c \
     --hash=sha256:9f0b960694e2d8bb04db4ba6ac2a645040caef4e762c65937998ff06064f10d6
-redis==4.4.1 \
-    --hash=sha256:a721fd4d715fcd947848ed8fa02c2efd8224279979e0b721d9fdac6c4db35e93 \
-    --hash=sha256:f7a870c44868ab87bbecd6211c6d7c8720b1e9a796b743fbc4725d7ec75651c3
+redis==4.4.2 \
+    --hash=sha256:a010f6cb7378065040a02839c3f75c7e0fb37a87116fb4a95be82a95552776c7 \
+    --hash=sha256:e6206448e2f8a432871d07d432c13ed6c2abcf6b74edb436c99752b1371be387
 # requests is required by PyBrowserID, amo-validator, django-mozilla-product-details, docker-compose, docker-py, nobot, pytest-base-url, pyupio, safety
 requests==2.28.1 \
     --hash=sha256:7c5599b102feddaa661c826c56ab4fee28bfd17f5abca1ebbe3e7f19d7c97983 \