update schedule to every 5 mins

Author: amikofalvy

.github/workflows/sdk_generation.yaml

@@ -16,7 +16,7 @@ permissions:
         description: optionally set a specific SDK version
         type: string
   schedule:
-    - cron: 0 0 * * *
+    - cron: '*/5 * * * *'
 jobs:
   generate:
     uses: speakeasy-api/sdk-generation-action/.github/workflows/workflow-executor.yaml@v15