chore(deps): update mcp toolbox server version in integration tests to v0.28.0 to v0.28.0 (#578)

Author: renovate-bot

packages/toolbox-adk/integration.cloudbuild.yaml

@@ -49,5 +49,5 @@ options:
 substitutions:
   _VERSION: '3.13'
   # Default values (can be overridden by triggers)
-  _TOOLBOX_VERSION: '0.27.0'
+  _TOOLBOX_VERSION: '0.28.0'
   _TOOLBOX_MANIFEST_VERSION: '34'

packages/toolbox-core/integration.cloudbuild.yaml

@@ -44,5 +44,5 @@ options:
   logging: CLOUD_LOGGING_ONLY
 substitutions:
   _VERSION: '3.13'
-  _TOOLBOX_VERSION: '0.27.0'
+  _TOOLBOX_VERSION: '0.28.0'
   _TOOLBOX_MANIFEST_VERSION: '34'

packages/toolbox-langchain/integration.cloudbuild.yaml

@@ -48,5 +48,5 @@ options:
   logging: CLOUD_LOGGING_ONLY
 substitutions:
   _VERSION: '3.13'
-  _TOOLBOX_VERSION: '0.27.0'
+  _TOOLBOX_VERSION: '0.28.0'
   _TOOLBOX_MANIFEST_VERSION: '34'

packages/toolbox-llamaindex/integration.cloudbuild.yaml

@@ -48,5 +48,5 @@ options:
   logging: CLOUD_LOGGING_ONLY
 substitutions:
   _VERSION: '3.13'
-  _TOOLBOX_VERSION: '0.27.0'
+  _TOOLBOX_VERSION: '0.28.0'
   _TOOLBOX_MANIFEST_VERSION: '34'