Update Airflow/Dockerfile to install osm_ngsa deb package in user folder

Change-Id: Iacc57c09341252ca7d7a11f89a2ba7a3ba697cf9
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/installers/helm/values/airflow-values.yaml b/installers/helm/values/airflow-values.yaml
index fd7eb63..0a62abf 100644
--- a/installers/helm/values/airflow-values.yaml
+++ b/installers/helm/values/airflow-values.yaml
@@ -30,5 +30,5 @@
       name: ngsa-secret
 config:
   core:
-    dags_folder: "/usr/lib/python3/dist-packages/osm_ngsa"
+    dags_folder: "/home/airflow/.local/lib/python3.8/site-packages/osm_ngsa"