build(deps): bump boto3 from 1.16.19 to 1.16.20 (#332)

Bumps [boto3](https://github.com/boto/boto3) from 1.16.19 to 1.16.20.
- [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/1.16.19...1.16.20)

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": [
-                "sha256:56e4776527dfd86477edf79cfaba87ad53ecac13b7537d08ca211f7dfb10a19d",
-                "sha256:70d4b15b71b8ae489fb2a265d33030657f373c28e63763d9018008501b0ef507"
+                "sha256:0a4c72ef591fd4291efb9767a6a94f625afccc1e0fc7843968cd39eb6289c3e4",
+                "sha256:6c5d952f97e13997b1c7463038d96469355595cd37f87b43451759cc03756322"
             ],
             "index": "pypi",
-            "version": "==1.16.19"
+            "version": "==1.16.20"
         },
         "botocore": {
             "hashes": [
-                "sha256:3b31275fc6788bcae1088a3da01dc5bea14493a17bc3964868f968acf7e9122e",
-                "sha256:8c06e3a4d6472e46cd2d31976df3e7fb1cd158f96d7f4c38116abf3e818692a1"
+                "sha256:00a69a507e8b817d0703c612131e6cb3a3260579d0353c56d005bd9effd92ec0",
+                "sha256:4576ca751264c65420daae07e244beafdfea493b4fbb815d37215c0736dc4633"
             ],
-            "version": "==1.19.19"
+            "version": "==1.19.20"
         },
         "cachetools": {
             "hashes": [