Merge pull request #21 from apache/fix-custom-metric-cron

Fix the custom-Cloudwatch metric cron job in the AMI
diff --git a/github-runner-ami/packer/files/cloudwatch-metrics-github-runners b/github-runner-ami/packer/files/cloudwatch-metrics-github-runners
index fb7f8eb..0380246 100644
--- a/github-runner-ami/packer/files/cloudwatch-metrics-github-runners
+++ b/github-runner-ami/packer/files/cloudwatch-metrics-github-runners
@@ -15,4 +15,4 @@
 # specific language governing permissions and limitations
 # under the License.
 
-*/1 * * * * nobody /usr/local/sbin/actions-runner-ec2-reporting
+*/1 * * * * nobody /usr/local/sbin/actions-runner-ec2-reporting.sh