chore(deps): bump python-novaclient from 18.9.0 to 18.10.0 (#911)

Bumps [python-novaclient](https://docs.openstack.org/python-novaclient/latest) from 18.9.0 to 18.10.0.

---
updated-dependencies:
- dependency-name: python-novaclient
  dependency-version: 18.10.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -531,9 +531,9 @@ python-keystoneclient==5.6.0 \
     --hash=sha256:721de2aec7710076389c674ee27b6712e97d86c7e0ff487b0b4409c8fcee10e7 \
     --hash=sha256:86d5f615dac5b64797334c54a0440451aff11bea19328501df32e87385290702
     # via -r requirements.in
-python-novaclient==18.9.0 \
-    --hash=sha256:351fefdaaafad7a5522b57183f1d5e1b077a4a6169e19470943f7218d7c79018 \
-    --hash=sha256:cf6a4b8f01ec543d5a75c01c218474ba9b063bd9fd3743821fedc68a845cab4e
+python-novaclient==18.10.0 \
+    --hash=sha256:2f066a01061eeadd1ce86fbfe0267a1d0d188b64c1641361f725c4277f67a96b \
+    --hash=sha256:e3a0f3c6c811e4b9bcf348e2d797856679b3504d50cd20069d78e55954b9114a
     # via -r requirements.in
 python-swiftclient==4.8.0 \
     --hash=sha256:44162cab469368cafdc25e0c8c4e95a2b9db1a44456a48ce080fe2ca9a4b3863 \