Upgrade CDK infrastructure to CDK 2 (#1214)

.../integration-tests/eks-credentials/bin/eks-credentials.ts

...ime/aws-config/integration-tests/eks-credentials/cdk.json

...ration-tests/eks-credentials/lib/eks-credentials-stack.ts

...onfig/integration-tests/eks-credentials/package-lock.json

...aws-config/integration-tests/eks-credentials/package.json

...ration-tests/eks-credentials/test/eks-credentials.test.ts

tools/ci-cdk/bin/ci-cdk.ts

tools/ci-cdk/cdk.json

tools/ci-cdk/lib/aws-sdk-rust/canary-stack.ts

tools/ci-cdk/lib/constructs/cloudfront-s3-cdn.ts

tools/ci-cdk/lib/constructs/github-oidc-role.ts

tools/ci-cdk/lib/oidc-provider-stack.ts

tools/ci-cdk/lib/smithy-rs/pull-request-cdn-stack.ts

tools/ci-cdk/package-lock.json

tools/ci-cdk/package.json

tools/ci-cdk/test/constructs/github-oidc-role.test.ts

tools/ci-cdk/test/oidc-provider-stack.test.ts