fix: bump certifi to version 2023.7.22

Bump the certifi package to a later version following an advisory [1]
affecting versions >= 2015.4.28, < 2023.7.22.

[1] https://github.com/advisories/GHSA-xqr8-7jwr-rhp7

Change-Id: Ida6ff7f0b1228728474de8695dca42303de2b305
Signed-off-by: Harrison Mutai <harrison.mutai@arm.com>
diff --git a/poetry.lock b/poetry.lock
index 07cd572..12d546a 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -68,13 +68,13 @@
 
 [[package]]
 name = "certifi"
-version = "2022.12.7"
+version = "2023.7.22"
 description = "Python package for providing Mozilla's CA Bundle."
 optional = false
 python-versions = ">=3.6"
 files = [
-    {file = "certifi-2022.12.7-py3-none-any.whl", hash = "sha256:4ad3232f5e926d6718ec31cfc1fcadfde020920e278684144551c91769c7bc18"},
-    {file = "certifi-2022.12.7.tar.gz", hash = "sha256:35824b4c3a97115964b408844d64aa14db1cc518f6562e8d7261699d1350a9e3"},
+    {file = "certifi-2023.7.22-py3-none-any.whl", hash = "sha256:92d6037539857d8206b8f6ae472e8b77db8058fec5937a1ef3f54304089edbb9"},
+    {file = "certifi-2023.7.22.tar.gz", hash = "sha256:539cc1d13202e33ca466e88b2807e29f4c13049d6d87031a3c110744495cb082"},
 ]
 
 [[package]]