fix(deps): update dependency certifi to >=2026.7.22 (#20799)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pyproject.toml

@@ -127,7 +127,7 @@ dependencies = [
   "borgbackup==1.4.5",
   "celery[redis]==5.6.3",
   # We intentionally allow newer SSL certs bundle, as that should not be breaking
-  "certifi>=2026.6.17",
+  "certifi>=2026.7.22",
   # For Argon2
   "cffi==2.1.0",
   "charset-normalizer==3.4.9",