Snyk auto fix

ci/requirements.txt

@@ -2,7 +2,7 @@ c2cciutils==1.1.*
 pip>=21.1 # not directly required, pinned by Snyk to avoid a vulnerability
 urllib3>=1.26.5 # not directly required, pinned by Snyk to avoid a vulnerability
 setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability
-certifi>=2022.12.7 # not directly required, pinned by Snyk to avoid a vulnerability
+certifi>=2023.7.22 # not directly required, pinned by Snyk to avoid a vulnerability
 cryptography>=39.0.1 # not directly required, pinned by Snyk to avoid a vulnerability
 requests>=2.31.0 # not directly required, pinned by Snyk to avoid a vulnerability
 pygments>=2.15.0 # not directly required, pinned by Snyk to avoid a vulnerability