build(deps): bump boto3 from 1.15.18 to 1.16.0 (#288)

Bumps [boto3](https://github.com/boto/boto3) from 1.15.18 to 1.16.0.
- [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/1.15.18...1.16.0)

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

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

Pipfile.lock

@@ -74,18 +74,18 @@
         },
         "boto3": {
             "hashes": [
-                "sha256:9ab957090f7893172768bb8b8d2c5cce0afd36a9d36d73a9fb14168f72d75a8b",
-                "sha256:f56148e2c6b9a2d704218da42f07d72f00270bfddb13bc1bdea20d3327daa51e"
+                "sha256:2e16f02c8b832d401d958d7ca0a14c5bc7da17827918e6b24e5bc43dce8f496e",
+                "sha256:ab5353a968a4e664b9da2dd950169b755066525fcbfdfc90e7e49c8333d95c19"
             ],
             "index": "pypi",
-            "version": "==1.15.18"
+            "version": "==1.16.0"
         },
         "botocore": {
             "hashes": [
-                "sha256:de5f9fc0c7e88ee7ba831fa27475be258ae09ece99143ed623d3618a3c84ee2c",
-                "sha256:e224754230e7e015836ba20037cac6321e8e2ce9b8627c14d579fcb37249decd"
+                "sha256:226effa72e3ddd0a802e812c0e204999393ca7982fee754cc0c770a7a1caef3a",
+                "sha256:9bf8586b69f20cf0a8ed1e27338cd10ce847751d1a2fd98b92662565c8a2df24"
             ],
-            "version": "==1.18.18"
+            "version": "==1.19.0"
         },
         "cachetools": {
             "hashes": [
@@ -1476,10 +1476,10 @@
         },
         "pbr": {
             "hashes": [
-                "sha256:14bfd98f51c78a3dd22a1ef45cf194ad79eee4a19e8e1a0d5c7f8e81ffe182ea",
-                "sha256:5adc0f9fc64319d8df5ca1e4e06eea674c26b80e6f00c530b18ce6a6592ead15"
+                "sha256:5fad80b613c402d5b7df7bd84812548b2a61e9977387a80a5fc5c396492b13c9",
+                "sha256:b236cde0ac9a6aedd5e3c34517b423cd4fd97ef723849da6b0d2231142d89c00"
             ],
-            "version": "==5.5.0"
+            "version": "==5.5.1"
         },
         "pep8-naming": {
             "hashes": [