Update git2s3.template.yaml

Fix security Group outbound rules

Author: kirankumar15

templates/git2s3.template.yaml

@@ -738,7 +738,7 @@ Resources:
     Properties:
       GroupDescription: Security Group to allow the Lambda function to access the Git service.
       SecurityGroupEgress:
-        - CidrIp: !Ref 'VPCCidrRange'
+        - CidrIp: 0.0.0.0/0
           FromPort: 0
           IpProtocol: tcp
           ToPort: 65535