add service versions to environment meta

Author: blewisCycle

components/schemas/environments/EnvironmentMeta.yml

@@ -28,3 +28,13 @@ properties:
           $ref: "../containers/summaries/ContainerImageSummary.yml"
         environment:
           $ref: "../containers/summaries/ContainerEnvironmentSummary.yml"
+  service_versions:
+    type: object
+    additionalProperties:
+      type: object
+      required: [version, last_updated]
+      properties:
+        version:
+          type: string
+        last_updated:
+          $ref: ../DateTime.yml

platform/paths/environments/environment.yml

@@ -29,6 +29,7 @@ get:
             - containers
             - containers_count
             - instances_count
+            - service_versions
     - name: include
       in: query
       required: false

platform/paths/environments/environments.yml

@@ -22,6 +22,7 @@ get:
             - containers
             - containers_count
             - instances_count
+            - service_versions
     - name: include
       in: query
       required: false