Bump certifi from 2018.11.29 to 2022.12.7

Bumps [certifi](https://github.com/certifi/python-certifi) from 2018.11.29 to 2022.12.7.
- [Release notes](https://github.com/certifi/python-certifi/releases)
- [Commits](certifi/python-certifi@2018.11.29...2022.12.07)

---
updated-dependencies:
- dependency-name: certifi
  dependency-type: indirect
...

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

Author: dependabot[bot]

requirements.txt

@@ -6,7 +6,7 @@
 #
 asn1==2.2.0
     # via -r requirements.in
-certifi==2018.11.29
+certifi==2022.12.7
     # via requests
 cffi==1.14.3
     # via
@@ -45,7 +45,6 @@ requests==2.21.0
 six==1.10.0
     # via
     #   cryptography
-    #   protobuf
     #   pyopenssl
 urllib3==1.24.3
     # via
@@ -55,6 +54,3 @@ wheel==0.33.6
     # via -r requirements.in
 wrapt==1.11.2
     # via deprecated
-
-# The following packages are considered to be unsafe in a requirements file:
-# setuptools