dep: bump granian to 2.6 (#7565)

SSIA

Author: gi0baro

pyproject.toml

@@ -15,7 +15,7 @@ dependencies = [
     "google-api-python-client>=2.88.0",
     "google-cloud-storage>=2.18.0",
     "googleapis-common-protos>=1.63.2",
-    "granian[pname]>=2.5",
+    "granian[pname]>=2.6",
     "jsonschema>=4.23.0",
     "packaging>=24.1",
     "parsimonious>=0.10.0",