releases: mutualize releases handling logic and move it to github class

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

src/types/compose/compose.ts

@@ -14,9 +14,11 @@
  * limitations under the License.
  */
 
+import {GitHubContentOpts} from '../github';
+
 export interface DownloadVersion {
   key: string;
   version: string;
   downloadURL: string;
-  releasesURL: string;
+  contentOpts: GitHubContentOpts;
 }