Update dependency c2cwsgiutils to v6.1.9 (#1255)

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

Author: renovate[bot]

acceptance_tests/poetry.lock

@@ -25,7 +25,7 @@ authors = []
 [tool.poetry.dependencies]
 python = ">=3.10,<3.13"
 pytest = "9.0.2"
-c2cwsgiutils = "6.1.8"
+c2cwsgiutils = "6.1.9"
 boltons = "25.0.0"
 netifaces = "0.11.0"
 requests = "2.32.5"