chore(deps): update dependency grpcio-health-checking to v1.70.0

Author: renovate[bot]

providers/openfeature-provider-flagd/pyproject.toml

@@ -40,7 +40,7 @@ dependencies = [
   "pytest-bdd",
   "testcontainers",
   "asserts",
-  "grpcio-health-checking==1.69.0",
+  "grpcio-health-checking==1.70.0",
 ]
 pre-install-commands = [
   "hatch build",