Bump boto3 from 1.26.26 to 1.26.28 (GeoNode#10407)

Bumps [boto3](https://github.com/boto/boto3) from 1.26.26 to 1.26.28.
- [Release notes](https://github.com/boto/boto3/releases)
- [Changelog](https://github.com/boto/boto3/blob/develop/CHANGELOG.rst)
- [Commits](boto/boto3@1.26.26...1.26.28)

---
updated-dependencies:
- dependency-name: boto3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements.txt

@@ -111,7 +111,7 @@ django-storages==1.13.1
 dropbox==11.36.0
 google-cloud-storage==2.7.0
 google-cloud-core==2.3.2
-boto3==1.26.26
+boto3==1.26.28
 
 # Django Caches
 python-memcached<=1.59