Depend on identity service in heat boostrap job

this job is actually trying to create a role in Keystone,
and thus needs it running to complete.
Without such dependency depending on cluster performance it may fail
by exhausting retry attempts.

Also depend on this bootstrap job in all Heat services so that they
are actually able to work and create arbitrary stacks once finished deploying.

Change-Id: I94ce96591b1f02d64d15c38686e9bc8bae31ddbb

heat/values.yaml

@@ -641,6 +641,7 @@ dependencies:
         - heat-trustee-ks-user
         - heat-domain-ks-user
         - heat-ks-endpoints
+        - heat-bootstrap
       services:
         - endpoint: internal
           service: oslo_db
@@ -656,6 +657,7 @@ dependencies:
         - heat-trustee-ks-user
         - heat-domain-ks-user
         - heat-ks-endpoints
+        - heat-bootstrap
       services:
         - endpoint: internal
           service: oslo_db
@@ -671,6 +673,7 @@ dependencies:
         - heat-trustee-ks-user
         - heat-domain-ks-user
         - heat-ks-endpoints
+        - heat-bootstrap
       services:
         - endpoint: internal
           service: oslo_db
@@ -692,6 +695,10 @@ dependencies:
       services:
         - endpoint: internal
           service: oslo_db
+    bootstrap:
+      services:
+        - endpoint: internal
+          service: identity
     engine:
       jobs:
         - heat-db-sync
@@ -700,6 +707,7 @@ dependencies:
         - heat-trustee-ks-user
         - heat-domain-ks-user
         - heat-ks-endpoints
+        - heat-bootstrap
       services:
         - endpoint: internal
           service: oslo_db