Pin async-timeout to 4.0.3 and update pip dependencies

Change-Id: I1f0df0d86433988bf6b3d5b36b9e88a3aeb61485
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/requirements.in b/requirements.in
index 6cdf466..49dc5b4 100644
--- a/requirements.in
+++ b/requirements.in
@@ -14,6 +14,7 @@
 # limitations under the License.
 
 aiokafka
+async-timeout==4.0.3
 peewee
 jsonschema
 pyyaml>6