Bump boto3 from 1.20.49 to 1.21.22

Bumps [boto3](https://github.com/boto/boto3) from 1.20.49 to 1.21.22.
- [Release notes](https://github.com/boto/boto3/releases)
- [Changelog](https://github.com/boto/boto3/blob/develop/CHANGELOG.rst)
- [Commits](boto/boto3@1.20.49...1.21.22)

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

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

requirements.txt

@@ -2,7 +2,7 @@ Django==3.1.14
 python-dateutil==2.8.1
 networkx==2.5.1
 matminer==0.7.4
-boto3==1.20.49
+boto3==1.21.22
 docopt==0.6.2
 taburu==2020.5.9
 protosearch==2020.5.10

setup.py

@@ -37,7 +37,7 @@
                       "matplotlib==3.4.2",
                       "matminer==0.7.4",
                       "awscli",
-                      "boto3==1.20.49",
+                      "boto3==1.21.22",
                       "docopt==0.6.2",
                       "taburu==2020.5.9",
                       "GPy==1.10.0",