docs: DOC-1528 (#5084)

Author: karl-cardenas-coding

docs/docs-content/clusters/public-cloud/aws/required-iam-policies.md

@@ -343,6 +343,7 @@ The four core IAM policies are required for Palette to operate.
         "ec2:DescribeTags",
         "ec2:DescribeVolumesModifications",
         "ec2:DescribeKeyPairs",
+        "ec2:DeleteNetworkInterface",
         "iam:AttachGroupPolicy",
         "iam:CreatePolicy",
         "iam:CreatePolicyVersion",