message: Updates changeset design and core change to minor
diff: ---
  -'@backstage/core': patch
  +'@backstage/core': minor
  '@backstage/plugin-pagerduty': patch
  ---
  -Adds onClick and other props to IconLinkVertical
  -Allows TriggerButton component to render when pager duty key is missing
  -Refactors TriggerButton and PagerDutyCard not to have shared state
  -Removes the `action` prop of the IconLinkVertical component while adding `onClick`. So instead of having an action including a button with onClick, now the whole component can be clickable making it easier to implement and having a better UX. Before:
  +- Adds onClick and other props to IconLinkVertical;
  +- Allows TriggerButton component to render when pager duty key is missing;
  +- Refactors TriggerButton and PagerDutyCard not to have shared state;
  +- Removes the `action` prop of the IconLinkVertical component while adding `onClick`.
  +
  + Instead of having an action including a button with onClick, now the whole component can be clickable making it easier to implement and having a better UX.
  +
  + Before:
  ```ts
  const myLink : IconLinkVerticalProps = {
  