message: Inline a type in useProjectKey in sonarqube plugin
  Type used only used and referenced in one place
diff: import { Entity } from '@backstage/catalog-model';
  -export interface ProjectInfo {
  - projectInstance: string;
  - projectKey: string;
  -}
  -
  export const SONARQUBE_PROJECT_KEY_ANNOTATION = 'sonarqube.org/project-key';
  export const SONARQUBE_PROJECT_INSTANCE_SEPARATOR = '/';
  @@ -35,7 +30,12 @@ export const isSonarQubeAvailable = (entity: Entity) =>
  * @param entity entity to find the sonarqube information from.
  * @return a ProjectInfo properly populated.
  */
  -export const useProjectInfo = (entity: Entity): ProjectInfo => {
  +export const useProjectInfo = (
  + entity: Entity,
  +): {
  + projectInstance: string;
  + projectKey: string;
  +} => {
  let projectInstance = '';
  let projectKey = '';
  const annotation =
  