Release Neutron 26.0.0.0b2 (Neutron Epoxy beta 2)

test_db_base_plugin_v2 was moved to the common
module causing some stadium projects to fail.

$ git log --oneline --no-merges 26.0.0.0b1..4780f2734d
078a48d803 Replace ``ReaderWriterLock`` with ``threading.RLock``
90d836bc42 Filter out the floating IPs when removing a shared RBAC
6d1dba0992 [OVN] Add a creation wait event for the PG drop tests
abb527d1e4 [OVN] Use the MySQL backend for the ``TestOvnNbSync`` tests
d8457e4bc1 [OVN] Implement a utility method to retrieve the Neutron name
09e13ffad0 Make grenade jobs work with Neutron API WSGI module
44c9639eb3 Bump os-ken version to 2.11.2
0415d3a41a Remove all eventlet Neutron API jobs
54b143c69a functional: Don't assume privsep-helper is installed in virtualenv
95a7cac499 Drop reference to removed services
6183792316 Enable no-else-return pylint check
0d8ae9f0f2 tests: Remove skip_if_ovs_older_than decorator from a test case
3409016f6e docs: Fix typo in openstack create subnet command
2a784fe697 Set a new removal release for ``set_network_type``
418c479569 Imported Translations from Zanata
315ca9db17 functional: Allow to override OS_FAIL_ON_MISSING_DEPS
068056a62e reno: Update master for unmaintained/2023.1
f511679233 functional: Install ovn packages when it's not compiled
e18aad3e6c fullstack: Log router and active hosts when there are too many
dd5dac8e40 [OVN] Remove maintenance method ``add_provider_resource_association_to_routers``
7272bb0e4b Add new RBAC policies only for "target_project"
90264aca8e Bump ovs library minimum version to 2.12.0
081b2e6fc7 Make ``DriverBase.is_loaded`` a property
5828c43c90 [OVN] Do not update a deleted Logical_Switch_Port
82a57ef980 refactor: Move hacking dependency from tox.ini to test-reqs
6148ba9077 Remove default override for config options policy_file
9f8509a3f4 [OVN] The Port_Group deletion implies the ACLs deletion
3f29ba5cdf mypy: enable for all non-test modules
8d9113664a Return rc != 0 on invalid neutron-ovn-db-sync-util cli options
911ffc3c40 nit: Add info about ovn version with additional_chassis
f28a158b9f tests: move test_db_base_plugin_v2.py to common
0867ce839f Increase code coverage for OVN metadata port sync
a6392b56fd Start enforcing additional pylint checks
df177b15db [Fullstack] Use only one keepalived-state-change thread in L3 agent

Change-Id: I0242c7e1d1d4327e3f0d762aedb95ad9dd41f926

deliverables/epoxy/neutron.yaml

@@ -10,3 +10,7 @@ releases:
     projects:
       - repo: openstack/neutron
         hash: 28b2e819e3196cf46cf2a644f18439f7c0169cc7
+  - version: 26.0.0.0b2
+    projects:
+      - repo: openstack/neutron
+        hash: 4780f2734d02429b7655f395eb4ddee14dfd3051