chore: revert test changes, point workflow at v0.0.33 production service

- Revert simple.yaml to clean state (remove test breaking changes)
- Switch action from @phase3-action-payload to @v0.0.33
- Remove service-url override (now uses production api.oasdiff.com)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: reuvenharrison

.github/workflows/pr-comment.yml

@@ -15,9 +15,8 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Post oasdiff PR comment
-      uses: oasdiff/oasdiff-action/pr-comment@phase3-action-payload
+      uses: oasdiff/oasdiff-action/pr-comment@v0.0.33
       with:
         base: https://raw.githubusercontent.com/${{ github.repository }}/${{ github.base_ref }}/simple.yaml
         revision: simple.yaml
         oasdiff-token: 0634345d-02fb-43df-b56a-68fc22253621
-        service-url: https://oasdiff-service-test-806047195315.us-central1.run.app

simple.yaml

@@ -46,10 +46,25 @@ paths:
         description: Creates one project.
         required: true
       responses:
-        "201":
+        "200":
           content:
             application/json:
               schema:
                 $ref: '#/components/schemas/GroupView'
-          description: Created
+          description: SUCCESS
       summary: Create a Project
+  /api/v1.0/groups/{groupId}:
+    get:
+      tags:
+       - Group
+      operationId: getOneGroup
+      parameters:
+        - $ref: '#/components/parameters/groupId'
+      responses:
+        "200":
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/GroupView'
+          description: SUCCESS
+      summary: Get a Project