Feature 10981: add Openstack metrics collector and scale-out/in DAGs for autoscaling

Change-Id: Idff1974545d28208a853787d748f1839dffc69e5
Signed-off-by: aguilard <e.dah.tid@telefonica.com>
diff --git a/requirements-dev.in b/requirements-dev.in
index ed3f514..8434f0e 100644
--- a/requirements-dev.in
+++ b/requirements-dev.in
@@ -17,4 +17,4 @@
 
 git+https://osm.etsi.org/gerrit/osm/common.git@master#egg=osm-common
 -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=master
-apache-airflow==2.4.*
+apache-airflow==2.5.*