[PLATFORM-2015] bump kubectl version

Dockerfile

-FROM ${CI_DEPENDENCY_PROXY_GROUP_IMAGE_PREFIX}bitnami/kubectl:1.26 AS kubectl
+FROM ${CI_DEPENDENCY_PROXY_GROUP_IMAGE_PREFIX}bitnami/kubectl:1.27 AS kubectl
 
 FROM ${CI_DEPENDENCY_PROXY_GROUP_IMAGE_PREFIX}amazon/aws-cli:2.11.21
 ENTRYPOINT []