Open cinderlib for xena development

cinderlib is a 'trailing' deliverable type.  The stable/wallaby
branch has just been cut, so transition master to xena development.

Depends-on: https://review.opendev.org/c/openstack/releases/+/797422
Change-Id: Ic6be0596fcc4cef40301702c3bac3085468c8daa

requirements.txt

@@ -1,6 +1,4 @@
-# restrict cinder to the wallaby series only
-cinder>=18.0.0,<19.0.0 # Apache-2.0
-# specify brick wallaby (upper bound controlled by openstack upper-constraints)
-os-brick>=4.3.1
+cinder>=18.0.0 # Apache-2.0
+os-brick>=4.4.0
 
 importlib_metadata>=1.7.0;python_version<'3.8' # Apache-2.0

tox.ini

@@ -24,8 +24,8 @@ install_command = python -m pip install {env:PIP_OPTIONS:} {opts} {packages}
 # NOTE: Functional tests may fail if host is missing bindeps from deps projects
 deps =
     -r{toxinidir}/test-requirements.txt
-    git+https://opendev.org/openstack/os-brick@stable/wallaby#egg=os-brick
-    git+https://opendev.org/openstack/cinder@stable/wallaby#egg=cinder
+    git+https://opendev.org/openstack/os-brick#egg=os-brick
+    git+https://opendev.org/openstack/cinder#egg=cinder
 
 commands =
     find . -ignore_readdir_race -type f -name "*.pyc" -delete
@@ -87,13 +87,13 @@ allowlist_externals = {[testenv:functional]allowlist_externals}
 # Not reusing doc's env due to https://github.com/tox-dev/tox/issues/477
 # envdir = {toxworkdir}/docs
 deps =
-  -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/wallaby}
+  -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
   -r{toxinidir}/doc/requirements.txt
 commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
 
 [testenv:docs]
 deps =
-  -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/wallaby}
+  -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
   -r{toxinidir}/doc/requirements.txt
 commands =
   doc8 --ignore D001 --ignore-path .tox --ignore-path *.egg-info --ignore-path doc/build --ignore-path .eggs/*/EGG-INFO/*.txt -e txt -e rst