Bump base-x from 3.0.9 to 3.0.11 in /client

Bumps [base-x](https://github.com/cryptocoinjs/base-x) from 3.0.9 to 3.0.11.
- [Commits](https://github.com/cryptocoinjs/base-x/compare/v3.0.9...v3.0.11)

---
updated-dependencies:
- dependency-name: base-x
  dependency-version: 3.0.11
  dependency-type: indirect
...

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

client/package-lock.json

@@ -2793,10 +2793,11 @@
       "dev": true
     },
     "node_modules/base-x": {
-      "version": "3.0.9",
-      "resolved": "https://registry.npmjs.org/base-x/-/base-x-3.0.9.tgz",
-      "integrity": "sha512-H7JU6iBHTal1gp56aKoaa//YUxEaAOUiydvrV/pILqIHXTtqxSkATOnDA2u+jZ/61sD+L/412+7kzXRtWukhpQ==",
+      "version": "3.0.11",
+      "resolved": "https://registry.npmjs.org/base-x/-/base-x-3.0.11.tgz",
+      "integrity": "sha512-xz7wQ8xDhdyP7tQxwdteLYeFfS68tSMNCZ/Y37WJ4bhGfKPpqEIlmIyueQHqOyoPhE6xNUqjzRr8ra0eF9VRvA==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "safe-buffer": "^5.0.1"
       }