fix: replace dead CDK test and update stale READMEs; enable strict tsconfig flags in vended CDK project#379

notgitika merged 3 commits intoaws:mainaws/agentcore-cli:mainfrom

notgitika:fix/dead-cdk-test-stale-readmesnotgitika/agentcore-cli:fix/dead-cdk-test-stale-readmesCopy head branch name to clipboard