Audit Snyk check/fix 3.28

Author: geo-ghci-int[bot]

ci/requirements.txt

@@ -6,3 +6,4 @@ certifi>=2022.12.7 # not directly required, pinned by Snyk to avoid a vulnerabil
 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
+protobuf>=4.25.8 # not directly required, pinned by Snyk to avoid a vulnerability