build(deps): bump boto3 from 1.16.25 to 1.16.28 (#357)

Bumps [boto3](https://github.com/boto/boto3) from 1.16.25 to 1.16.28.
- [Release notes](https://github.com/boto/boto3/releases)
- [Changelog](https://github.com/boto/boto3/blob/develop/CHANGELOG.rst)
- [Commits](https://github.com/boto/boto3/compare/1.16.25...1.16.28)

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

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

Pipfile.lock

@@ -74,11 +74,11 @@
         },
         "boto3": {
             "hashes": [
-                "sha256:13e6ab0abe10b4de54583067d12ed48c8477d91b7a7a8e6097d366a2a3631d17",
-                "sha256:fb25ec578fe59aee298da2c976e2bcfd79a2eabead386e8e4f68bb3eb4ec50b3"
+                "sha256:7f44988fc605fa264046d7d16f773836ac1e8b3f6721b79ba796b875bbf9ea75",
+                "sha256:ca62b4517ddb6a81a9b0113cca05b2dba5faab14d2b35b81f402b052955738c5"
             ],
             "index": "pypi",
-            "version": "==1.16.25"
+            "version": "==1.16.28"
         },
         "botocore": {
             "hashes": [