Release openstack-dev/bashate as independent release

openstack-dev/bashate has lot of updates mostly doc and
coding style since last tag 0.5.1 which happened 2 years back.

This commit
- adds the bashate as independent release model
- release 0.6.0

Change-Id: I5bbf19820261ad80d5af98ebc6a39ebed490f0a4

deliverables/_independent/bashate.yaml

@@ -0,0 +1,12 @@
+---
+launchpad: bash8
+team: 'Quality Assurance'
+type: other
+include-pypi-link: yes
+releases:
+  - version: 0.6.0
+    projects:
+      - repo: openstack-dev/bashate
+        hash: 8e303ee19406652bbd7587581b03c9931e75b67d
+repository-settings:
+  openstack-dev/bashate: {}