Bump mongoose from 5.13.15 to 5.13.20 (#69)

Bumps [mongoose](https://github.com/Automattic/mongoose) from 5.13.15 to 5.13.20.
- [Release notes](https://github.com/Automattic/mongoose/releases)
- [Changelog](https://github.com/Automattic/mongoose/blob/master/CHANGELOG.md)
- [Commits](Automattic/mongoose@5.13.15...5.13.20)

---
updated-dependencies:
- dependency-name: mongoose
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

yarn.lock

@@ -2209,10 +2209,10 @@ minimist@^1.2.0:
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.6.tgz#8637a5b759ea0d6e98702cfb3a9283323c93af44"
   integrity sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q==
 
-mongodb@3.7.3:
-  version "3.7.3"
-  resolved "https://registry.yarnpkg.com/mongodb/-/mongodb-3.7.3.tgz#b7949cfd0adc4cc7d32d3f2034214d4475f175a5"
-  integrity sha512-Psm+g3/wHXhjBEktkxXsFMZvd3nemI0r3IPsE0bU+4//PnvNWKkzhZcEsbPcYiWqe8XqXJJEg4Tgtr7Raw67Yw==
+mongodb@3.7.4:
+  version "3.7.4"
+  resolved "https://registry.yarnpkg.com/mongodb/-/mongodb-3.7.4.tgz#119530d826361c3e12ac409b769796d6977037a4"
+  integrity sha512-K5q8aBqEXMwWdVNh94UQTwZ6BejVbFhh1uB6c5FKtPE9eUMZPUO3sRZdgIEcHSrAWmxzpG/FeODDKL388sqRmw==
   dependencies:
     bl "^2.2.1"
     bson "^1.1.4"
@@ -2228,15 +2228,15 @@ mongoose-legacy-pluralize@1.0.2:
   integrity sha512-Yo/7qQU4/EyIS8YDFSeenIvXxZN+ld7YdV9LqFVQJzTLye8unujAWPZ4NWKfFA+RNjh+wvTWKY9Z3E5XM6ZZiQ==
 
 mongoose@^5.11.3:
-  version "5.13.15"
-  resolved "https://registry.yarnpkg.com/mongoose/-/mongoose-5.13.15.tgz#ba2cd0f22c1a5dd9ae15aaf6b10f03c59a4202dd"
-  integrity sha512-cxp1Gbb8yUWkaEbajdhspSaKzAvsIvOtRlYD87GN/P2QEUhpd6bIvebi36T6M0tIVAMauNaK9SPA055N3PwF8Q==
+  version "5.13.20"
+  resolved "https://registry.yarnpkg.com/mongoose/-/mongoose-5.13.20.tgz#247d3b2c6c4c4b71779d07dda0c72e1bd48a7370"
+  integrity sha512-TjGFa/XnJYt+wLmn8y9ssjyO2OhBMeEBtOHb9iJM16EWu2Du6L1Q6zSiEK2ziyYQM8agb4tumNIQFzqbxId7MA==
   dependencies:
     "@types/bson" "1.x || 4.0.x"
     "@types/mongodb" "^3.5.27"
     bson "^1.1.4"
     kareem "2.3.2"
-    mongodb "3.7.3"
+    mongodb "3.7.4"
     mongoose-legacy-pluralize "1.0.2"
     mpath "0.8.4"
     mquery "3.2.5"