fix(deps): update terraform terraform-ibm-modules/cos/ibm to v10.2.20#553

Aashiq-J merged 3 commits intomainterraform-ibm-modules/terraform-ibm-event-notifications:mainfrom

renovate/dependenciesterraform-ibm-modules/terraform-ibm-event-notifications:renovate/dependenciesCopy head branch name to clipboard