airflow 2: pin flask-limiter version for opa manager tests (#1255)

Author: razvan

airflow/opa-auth-manager/airflow-2/pyproject.toml

@@ -12,14 +12,15 @@ requires-python = ">=3.9,<3.13"
 dependencies = [
     "requests~=2.32.3",
     "cachetools~=5.5.0",
-    "overrides~=7.7.0"
+    "overrides~=7.7.0",
 ]
 
 [dependency-groups]
 dev = [
     "apache-airflow~=2.9.3",
     "pylint~=3.3.1",
-    "pytest~=8.3.3"
+    "pytest~=8.3.3",
+    "flask-limiter~=3.9.0",
 ]
 
 [build-system]