Bump django-cors-headers from 4.2.0 to 4.3.0 in /requirements (#21301)

Bumps [django-cors-headers](https://github.com/adamchainz/django-cors-headers) from 4.2.0 to 4.3.0.
- [Changelog](https://github.com/adamchainz/django-cors-headers/blob/main/CHANGELOG.rst)
- [Commits](https://github.com/adamchainz/django-cors-headers/compare/4.2.0...4.3.0)

---
updated-dependencies:
- dependency-name: django-cors-headers
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements/prod.txt

@@ -372,9 +372,9 @@ django-aesfield==4.0.0 \
 django-admin-rangefilter==0.11.2 \
     --hash=sha256:0cccf83f2992eba54795e0c748184f4b9bce895c0dd5bb1556eab1950242b48f \
     --hash=sha256:d574a914c209671b6c8e3d218efc0fc32a917e6a65ad2bd36b4116be5c47f6cb
-django-cors-headers==4.2.0 \
-    --hash=sha256:9ada212b0e2efd4a5e339360ffc869cb21ac5605e810afe69f7308e577ea5bde \
-    --hash=sha256:f9749c6410fe738278bc2b6ef17f05195bc7b251693c035752d8257026af024f
+django-cors-headers==4.3.0 \
+    --hash=sha256:25aabc94d4837678c1edf442c7f68a5f5fd151f6767b0e0b01c61a2179d02711 \
+    --hash=sha256:bd36c7aea0d070e462f3383f0dc9ef717e5fdc2b10a99c98c285f16da84ffba2
 django-csp==3.7 \
     --hash=sha256:01443a07723f9a479d498bd7bb63571aaa771e690f64bde515db6cdb76e8041a \
     --hash=sha256:01eda02ad3f10261c74131cdc0b5a6a62b7c7ad4fd017fbefb7a14776e0a9727