fix(deps): update dependency yargs to v17 (#3044)

Author: renovate-bot

dlp/package.json

@@ -18,7 +18,7 @@
     "@google-cloud/dlp": "^4.3.0",
     "@google-cloud/pubsub": "^3.0.0",
     "mime": "^3.0.0",
-    "yargs": "^16.0.0"
+    "yargs": "^17.0.0"
   },
   "devDependencies": {
     "chai": "^4.2.0",