Update requirements-dev to point to v13.0 branch

Change-Id: I316f0eceb81c464da00bf32649fa85d91b5571bc
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>

requirements-dev.in

@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # 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
 
-git+https://osm.etsi.org/gerrit/osm/N2VC.git@master#egg=n2vc
+git+https://osm.etsi.org/gerrit/osm/N2VC.git@v13.0#egg=n2vc
 -r https://osm.etsi.org/gitweb/?p=osm/N2VC.git;a=blob_plain;f=requirements.txt;hb=v13.0

requirements-dev.txt

@@ -81,13 +81,13 @@ mypy-extensions==0.4.3
     # via
     #   -r https://osm.etsi.org/gitweb/?p=osm/N2VC.git;a=blob_plain;f=requirements.txt;hb=v13.0
     #   typing-inspect
-n2vc @ git+https://osm.etsi.org/gerrit/osm/N2VC.git@master
+n2vc @ git+https://osm.etsi.org/gerrit/osm/N2VC.git@v13.0
     # via -r requirements-dev.in
 oauthlib==3.2.1
     # via
     #   -r https://osm.etsi.org/gitweb/?p=osm/N2VC.git;a=blob_plain;f=requirements.txt;hb=v13.0
     #   requests-oauthlib
-osm-common @ git+https://osm.etsi.org/gerrit/osm/common.git@master
+osm-common @ git+https://osm.etsi.org/gerrit/osm/common.git@v13.0
     # via -r requirements-dev.in
 paramiko==2.11.0
     # via