Update typescript-eslint monorepo to v8 (major) (#2523)

* Update typescript-eslint monorepo to v8

* es lint fixes

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Timo <toger5@hotmail.de>

src/utils/matrix.ts

@@ -86,7 +86,9 @@ export async function initClient(
   let indexedDB: IDBFactory | undefined;
   try {
     indexedDB = window.indexedDB;
-  } catch (e) {}
+  } catch (e) {
+    logger.warn("Could not get indexDB from window.", e);
+  }
 
   // options we always pass to the client (stuff that we need in order to work)
   const baseOpts = {