Update dependency @google-cloud/vision to v0.22.1

Author: renovate[bot]

functions/imagemagick/package.json

@@ -18,7 +18,7 @@
   },
   "dependencies": {
     "@google-cloud/storage": "1.6.0",
-    "@google-cloud/vision": "0.16.0",
+    "@google-cloud/vision": "0.22.1",
     "gm": "^1.23.1"
   },
   "devDependencies": {

functions/ocr/app/package.json

@@ -20,7 +20,7 @@
     "@google-cloud/pubsub": "0.13.2",
     "@google-cloud/storage": "1.2.1",
     "@google-cloud/translate": "1.0.0",
-    "@google-cloud/vision": "0.12.0",
+    "@google-cloud/vision": "0.22.1",
     "safe-buffer": "5.1.1"
   },
   "devDependencies": {