Airflow role fix (#11762)

* Update to stable/airflow role.yaml to grant permissions needed for airflow xcom_push to stream out of the sidecar.

Signed-off-by: Ryan Greget <rgreget@gmail.com>

* Version bump.

Signed-off-by: Ryan Greget <rgreget@gmail.com>

stable/airflow/Chart.yaml

@@ -1,6 +1,6 @@
 description: Airflow is a platform to programmatically author, schedule and monitor workflows
 name: airflow
-version: 2.0.1
+version: 2.0.2
 appVersion: 1.10.0
 icon: https://airflow.apache.org/_images/pin_large.png
 home: https://airflow.apache.org/

stable/airflow/templates/role.yaml

@@ -17,4 +17,8 @@ rules:
   resources:
   - "pods/log"
   verbs: ["get", "list"]
+- apiGroups: [""]
+  resources:
+  - "pods/exec"
+  verbs: ["create", "get"]
 {{ end }}