chore(deps): update dependency python-troveclient to v8.11.0

Signed-off-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

requirements.openstackclient.txt

@@ -20,5 +20,5 @@ python-neutronclient==14.0.0
 python-novaclient==18.13.0
 python-octaviaclient==3.15.0
 python-swiftclient==4.10.0
-python-troveclient==8.10.0
+python-troveclient==8.11.0
 python-watcherclient==4.10.0