fix: disable empty overlay reference to fix Speakeasy linting

Speakeasy CLI fails with 'empty document' when applying an overlay with
no actions. Comment out the overlay reference until real actions are needed.

Co-Authored-By: AJ Steers <aj@airbyte.io>

Author: devin-ai-integration[bot]

.speakeasy/workflow.yaml

@@ -8,8 +8,10 @@ sources:
     airbyte-api:
         inputs:
             - location: https://raw.githubusercontent.com/airbytehq/airbyte-platform/refs/heads/main/airbyte-api/server-api/src/main/openapi/api_sdk.yaml
-        overlays:
-            - location: ./overlays/python_speakeasy.yaml
+        # Uncomment when the overlay has real actions (empty overlays produce
+        # an empty document in Speakeasy CLI, which fails linting):
+        # overlays:
+        #     - location: ./overlays/python_speakeasy.yaml
         registry:
             location: registry.speakeasyapi.dev/airbyte/airbyte-prod/my-source
 targets: