Bump certifi from 2019.6.16 to 2022.12.7

Bumps [certifi](https://github.com/certifi/python-certifi) from 2019.6.16 to 2022.12.7.
- [Release notes](https://github.com/certifi/python-certifi/releases)
- [Commits](certifi/python-certifi@2019.06.16...2022.12.07)

---
updated-dependencies:
- dependency-name: certifi
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -3,7 +3,7 @@ attrs==19.3.0
 boto==2.49.0
 boto3==1.9.134
 botocore==1.12.188
-certifi==2019.6.16
+certifi==2022.12.7
 cffi==1.14.0
 chardet==3.0.4
 ciso8601==2.1.3