fix: upgrade google-auth-library from 6.0.5 to 6.0.6 (#48)

Snyk has created this PR to upgrade google-auth-library from 6.0.5 to 6.0.6.

See this package in npm:
https://www.npmjs.com/package/google-auth-library

See this project in Snyk:
https://app.snyk.io/org/devksingh4/project/92e79756-b55e-48d3-ab58-3caa8c57ca09?utm_source=github&utm_medium=upgrade-pr

Co-authored-by: Dev Singh <dev@devksingh.com>

package.json

@@ -38,7 +38,7 @@
     "body-parser": "^1.19.0",
     "express": "^4.17.1",
     "express-jwt": "^6.0.0",
-    "google-auth-library": "^6.0.4",
+    "google-auth-library": "^6.0.6",
     "jsonwebtoken": "^8.5.1",
     "jwks-rsa": "^1.8.1",
     "mongo-express-req": "^3.0.1",