fix(deps): update dependency redis to v4

renovate-bot · renovate-bot · commit 58d7faf67684 · 2021-12-10T00:44:53.000Z
diff --git a/samples/package.json b/samples/package.json
@@ -16,7 +16,7 @@
     "@google-cloud/vision": "^2.4.0",
     "natural": "^5.0.0",
     "pureimage": "^0.3.0",
-    "redis": "^3.0.0",
+    "redis": "^4.0.0",
     "yargs": "^16.0.0"
   },
   "devDependencies": {
