Update requirements to branch

requirements-dev.txt were all pointing to master

Change-Id: Ic766c737c9fc809a7fbb1cf4122bd93756f0c9d9
Signed-off-by: Mark Beierl <mark.beierl@canonical.com>

releasenotes/notes/v13.0_prep_update-aa033b7e72fab3ea.yaml

+#######################################################################################
+# Copyright ETSI Contributors and Others.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#######################################################################################
+---
+prelude: >
+  pip-compile is used to update the dependencies, but in the case of branch
+  creation, sometimes we forgot to update references from master to the branch.
+  This change addresses that by pointing to v13.0

requirements-dev.in

@@ -14,5 +14,5 @@
 # limitations under the License.
 ##
 
-git+https://osm.etsi.org/gerrit/osm/common.git@master#egg=osm-common
+git+https://osm.etsi.org/gerrit/osm/common.git@v13.0#egg=osm-common
 -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=v13.0