Limit db connections globally for the process, not per call

Signed-off-by: Gustaf Räntilä <g.rantila@gmail.com>

plugins/user-settings-backend/src/database/DatabaseUserSettingsStore.ts

@@ -29,6 +29,8 @@ const migrationsDir = resolvePackagePath(
   'migrations',
 );
 
+const dbLimit = pLimit(10);
+
 /**
  * @public
  */
@@ -111,8 +113,6 @@ export class DatabaseUserSettingsStore implements UserSettingsStore {
       keys.add(item.key);
     }
 
-    const dbLimit = pLimit(10);
-
     // Chunks the keys per bucket to avoid hitting SQL parameter limits
     const chunkKeys = (keys: Array<string>, size: number): string[][] => {
       const chunks = [];