Add new values for ECRAccessPolicy that include `ecr:BatchImportUpstreamImage` #1270

triarius wants to merge 5 commits intomainbuildkite/elastic-ci-stack-for-aws:mainfrom

pdp-1924-add-ecrbatchimportupstreamimage-permission-to-elastic-cibuildkite/elastic-ci-stack-for-aws:pdp-1924-add-ecrbatchimportupstreamimage-permission-to-elastic-ciCopy head branch name to clipboard