Bump y18n from 4.0.0 to 4.0.3 in /tfjs-vis/demos/mnist (#6236)

SECURITY
Bumps [y18n](https://github.com/yargs/y18n) from 4.0.0 to 4.0.3.
- [Release notes](https://github.com/yargs/y18n/releases)
- [Changelog](https://github.com/yargs/y18n/blob/y18n-v4.0.3/CHANGELOG.md)
- [Commits](yargs/y18n@v4.0.0...y18n-v4.0.3)

---
updated-dependencies:
- dependency-name: y18n
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

tfjs-vis/demos/mnist/yarn.lock

@@ -863,9 +863,16 @@
   resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-layers/-/tfjs-layers-3.5.0.tgz#032c7afd93615dad0158d65a6341c57dbd0305ae"
   integrity sha512-vuJsJdJej5uFC4d5xlRvNm7iONEL1pS5owjNoJ4MpNcZOtNd7kfI8qYPL8ICickG0EdXjUVa3A209iDdH0qiqA==
 
-"@tensorflow/tfjs-vis@link:../..":
-  version "0.0.0"
-  uid ""
+"@tensorflow/tfjs-vis@link:../../../tfjs-vis":
+  version "1.4.3"
+  dependencies:
+    d3-format "~1.3.0"
+    d3-selection "~1.3.0"
+    glamor "~2.20.40"
+    preact "~8.2.9"
+    vega "5.20.0"
+    vega-embed "6.17.0"
+    vega-lite "4.13.1"
 
 "@tensorflow/[email protected]":
   version "3.5.0"
@@ -3660,9 +3667,9 @@ xxhash-wasm@^0.4.2:
   integrity sha512-/eyHVRJQCirEkSZ1agRSCwriMhwlyUcFkXD5TPVSLP+IPzjsqMVzZwdoczLp1SoQU0R3dxz1RpIK+4YNQbCVOA==
 
 y18n@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.0.tgz#95ef94f85ecc81d007c264e190a120f0a3c8566b"
-  integrity sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.3.tgz#b5f259c82cd6e336921efd7bfd8bf560de9eeedf"
+  integrity sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ==
 
 y18n@^5.0.5:
   version "5.0.5"