[manila] New release for stable/xena

A good number of fixes have been included in the stable/xena
branch, the new release will include:

$ git log --oneline --no-merges 13.0.3..75b4a37
d6a49cd5e Fix DriverFilter/GoodnessWeigher string evaluations
7dd5499a8 Allow setting endpoint_type for glance
2f335893f Fix manila plugin.sh set backend_availability_zone
5b8b7b19f [RBAC] Return 404 if share is inaccessible
b7190fe3e Stop logging sensitive login information
85d610173 Add FIPS testing job
6cc760e0a Check project permissions for share replicas
65fe79297 Add validation to share network
63c375795 Force disk wipe when running lvcreate
b06cc4b8c Define queues at project level
3e4d1292f Use defined project config of manila-tempest-plugin
27d79965f NetApp OnTap: Fix compatibility check for share migrate
696469e8a Rollback quota when share network create API fails.
8805f4f3d [Native CephFS] Don't fail to deny missing rules
b02b96d87 Drop lower-constraints.txt and its testing
49f50c9f3 [CI] Install dependencies for docs target

Change-Id: I86fc1bd0d49ce8f3aa4912843af9dbdef15922f2

deliverables/xena/manila.yaml

@@ -47,6 +47,10 @@ releases:
     projects:
       - repo: openstack/manila
         hash: b6c2bb362f270539f4a618d2799a7812479c404b
+  - version: 13.0.4
+    projects:
+      - repo: openstack/manila
+        hash: 75b4a37df70636306c7303dca561879d6be3111e
 branches:
   - name: stable/xena
     location: 13.0.0.0rc1