Bump express-validator from 6.5.0 to 6.6.0 in /server

Bumps [express-validator](https://github.com/express-validator/express-validator) from 6.5.0 to 6.6.0.
- [Release notes](https://github.com/express-validator/express-validator/releases)
- [Commits](https://github.com/express-validator/express-validator/compare/v6.5.0...v6.6.0)

Signed-off-by: dependabot[bot] <support@github.com>

server/package-lock.json

@@ -2364,12 +2364,12 @@
       }
     },
     "express-validator": {
-      "version": "6.5.0",
-      "resolved": "https://registry.npmjs.org/express-validator/-/express-validator-6.5.0.tgz",
-      "integrity": "sha512-kXi99TuVeLWkxO0RtDOSj56T7YR0H5KZZyhtzoPSZ5TffBvrJpZPSp/frYcT/zVoLhH8NXDk+T0LCSeI6TbOGA==",
+      "version": "6.6.0",
+      "resolved": "https://registry.npmjs.org/express-validator/-/express-validator-6.6.0.tgz",
+      "integrity": "sha512-xcephfzFbUssJph/nOSKIdx+I+8GRz5by/8rOIKL6gJikKKKJjnwYH5TG1nIDB6kEalUtZMbOFuSNOp/HHY84Q==",
       "requires": {
         "lodash": "^4.17.15",
-        "validator": "^13.0.0"
+        "validator": "^13.1.1"
       }
     },
     "extend": {
@@ -7277,9 +7277,9 @@
       }
     },
     "validator": {
-      "version": "13.0.0",
-      "resolved": "https://registry.npmjs.org/validator/-/validator-13.0.0.tgz",
-      "integrity": "sha512-anYx5fURbgF04lQV18nEQWZ/3wHGnxiKdG4aL8J+jEDsm98n/sU/bey+tYk6tnGJzm7ioh5FoqrAiQ6m03IgaA=="
+      "version": "13.1.1",
+      "resolved": "https://registry.npmjs.org/validator/-/validator-13.1.1.tgz",
+      "integrity": "sha512-8GfPiwzzRoWTg7OV1zva1KvrSemuMkv07MA9TTl91hfhe+wKrsrgVN4H2QSFd/U/FhiU3iWPYVgvbsOGwhyFWw=="
     },
     "vary": {
       "version": "1.1.2",

server/package.json

@@ -18,7 +18,7 @@
     "debug": "^4.1.1",
     "dotenv": "^8.2.0",
     "express": "^4.17.1",
-    "express-validator": "^6.5.0",
+    "express-validator": "^6.6.0",
     "morgan": "^1.10.0",
     "request": "^2.88.2"
   },