[Security] Bump ws from 7.4.1 to 7.4.6 in /build

Bumps [ws](https://github.com/websockets/ws) from 7.4.1 to 7.4.6. **This update includes security fixes.**
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](https://github.com/websockets/ws/compare/7.4.1...7.4.6)

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

build/package-lock.json

@@ -3071,12 +3071,6 @@
           "requires": {
             "glob": "^7.1.3"
           }
-        },
-        "ws": {
-          "version": "7.4.1",
-          "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.1.tgz",
-          "integrity": "sha512-pTsP8UAfhy3sk1lSk/O/s4tjD0CRwvMnzvwr4OKGX7ZvqZtUyx4KIJB5JWbkykPoc55tixMGgTNoh3k4FkNGFQ==",
-          "dev": true
         }
       }
     },
@@ -3518,12 +3512,6 @@
               }
             }
           }
-        },
-        "ws": {
-          "version": "7.4.2",
-          "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.2.tgz",
-          "integrity": "sha512-T4tewALS3+qsrpGI/8dqNMLIVdq/g/85U98HPMa6F0m6xTbvhXU6RCQLqPH3+SlomNV/LdY6RXEbBpMH6EOJnA==",
-          "dev": true
         }
       }
     },
@@ -4143,6 +4131,12 @@
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
       "dev": true
     },
+    "ws": {
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
+      "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==",
+      "dev": true
+    },
     "xmlcreate": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/xmlcreate/-/xmlcreate-2.0.3.tgz",