Merge pull request nestjs#8681 from nestjs/renovate/bull-3.x

chore(deps): update dependency @types/bull to v3.15.6

Author: kamilmysliwiec

sample/26-queues/package-lock.json

@@ -33,7 +33,7 @@
     "@nestjs/cli": "8.1.5",
     "@nestjs/schematics": "8.0.5",
     "@nestjs/testing": "8.2.2",
-    "@types/bull": "3.15.5",
+    "@types/bull": "3.15.6",
     "@types/dotenv": "8.2.0",
     "@types/express": "4.17.13",
     "@types/jest": "27.0.3",

sample/26-queues/package.json

@@ -32,7 +32,7 @@
     "@nestjs/cli": "8.1.5",
     "@nestjs/schematics": "8.0.5",
     "@nestjs/testing": "8.2.2",
-    "@types/bull": "3.15.5",
+    "@types/bull": "3.15.6",
     "@types/dotenv": "8.2.0",
     "@types/express": "4.17.13",
     "@types/jest": "27.0.3",