fix: restore openapi.yaml to the branch point

The previous commit restored main's tip rather than the merge base, which
carried three unrelated main-only changes into this branch: the resource
mcp_tools truncation fields, the execution_mode description, and a version bump.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

backend/windmill-api/openapi.yaml

@@ -1,7 +1,7 @@
 openapi: "3.0.3"
 
 info:
-  version: 1.791.0
+  version: 1.789.0
   title: Windmill API
 
   contact:
@@ -8044,19 +8044,10 @@ paths:
                   properties:
                     path:
                       type: string
-                    value:
-                      type: string
-                      description: >-
-                        pretty-printed JSON rendering of the resource value, capped at
-                        4000 characters — a search preview, not the value itself (use
-                        get_value for that)
-                    truncated:
-                      type: boolean
-                      description: whether value was cut short by that cap
+                    value: {}
                   required:
                     - path
                     - value
-                    - truncated
 
   /w/{workspace}/resources/mcp_tools/{path}:
     get:
@@ -31926,13 +31917,6 @@ components:
         execution_mode:
           type: string
           enum: [viewer, publisher, anonymous]
-          description: >-
-            Who the app's runnables execute as. Optional, and what omitting it
-            means depends on the operation: creating an app defaults it to
-            `publisher` (runs on behalf of the app's publisher and requires an
-            authenticated viewer), while updating one keeps the mode the app is
-            already deployed under. Either way `anonymous`, which makes the app
-            publicly executable, is never assumed
         on_behalf_of:
           type: string
         on_behalf_of_email: