fix: update recommended IAM policy to include ecr:BatchGet* (#72)

Issue #, if available: aws-controllers-k8s/community#1641

Description of changes: Update recommended IAM policy for lambda controller to allow ecr:BatchGet*

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

Author: mrparkers

config/iam/recommended-inline-policy

@@ -6,7 +6,8 @@
             "Action": [
                 "lambda:*",
                 "s3:Get*",
-                "ecr:Get*"
+                "ecr:Get*",
+                "ecr:BatchGet*"
             ],
             "Resource": "*"
         },
@@ -21,4 +22,4 @@
             "Resource": "*"
         }
     ]
-}
+}