27.1.0 Nova stable release

Since we merged the fixes for CVE-2023-2088, we need to
use a minor version for the new release.

$ git log --oneline --no-merges 27.0.0..f361ce2ab1
09f85a8a92 CI: fix backport validator for new branch naming
6eab57952e Bump nova-ceph-multstore timeout
a02f966873 Revert "Debug Nova APIs call failures"
eb3fe4ddc6 Have host look for CPU controller of cgroupsv2 location.
1f781423ee Enable use of service user token with admin context
efb01985db Use force=True for os-brick disconnect during delete
fa2ba3ab2c Handle zero pinned CPU in a cell with mixed policy
2cf835be82 Reproduce asym NUMA mixed CPU policy bug
acb511652c Save cell socket correctly when updating host NUMA topology
29e3f2f2ab Reproduce bug 1995153
47b6850bb1 (gerrit/stable/2023.1) [stable-only] Update TOX_CONSTRAINTS_FILE for stable/2023.1
d081938e22 [stable-only] Update .gitreview for stable/2023.1

Change-Id: I3454f91a07545779776a016e97cb716c536aa9df

deliverables/antelope/nova.yaml

@@ -43,6 +43,10 @@ releases:
       - repo: openstack/nova
         hash: 2bb8689835a4631622201299d531a24f28aad281
     diff-start: 26.0.0.0rc1
+  - version: 27.1.0
+    projects:
+      - repo: openstack/nova
+        hash: f361ce2ab1c2cec12ace3ab6a3416747ccf1a630
 branches:
   - name: stable/2023.1
     location: 27.0.0.0rc1