M18 service and CICD updates

AWS code changes only.

Changes in testing/schema-test-core only update AwsServicePrincipalUtil.java and os-core-lib-aws version in pom.xml

changed milestone to %M18 - Release 0.21

added AWS no-detached-pipeline labels

requested review from @ydzeng, @gustavurda, @fhoueto.amz, and @marcburnie

assigned to @mmarabe

looks fine

added 1 commit

• 487b184a - update core lib version to 0.21.0-rc5

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added 1 commit

• 05dc488a - remove references to cicd feature branch

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added 5 commits

• 05dc488a...e430d416 - 4 commits from branch master
• 3431c363 - Merge remote-tracking branch 'upstream/master' into aws-infra-merge

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approved this merge request

changed the description

mentioned in commit f2e52815

merged