Update released_image_scan.yml (#138)

Workflows don't support descriptions, causing the workflow to fail. Move
description to comment.


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Author: thpierce

.github/workflows/released_image_scan.yml

@@ -1,8 +1,7 @@
 ## Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 ## SPDX-License-Identifier: Apache-2.0
+# Performs a daily scan of the latest released ADOT Python image. Publishes results to CloudWatch Metrics.
 name: Released image scan
-description: |
-  Performs a daily scan of the latest released ADOT Python image. Publishes results to CloudWatch Metrics.
 
 on:
   schedule:
@@ -69,4 +68,4 @@ jobs:
           aws cloudwatch put-metric-data --namespace 'ADOT/GitHubActions' \
             --metric-name Success \
             --dimensions repository=${{ github.repository }},branch=${{ github.ref_name }},workflow=released_image_scan_low \
-            --value 0.0
+            --value 0.0