Bump ansi-regex from 3.0.0 to 4.1.1 in /samples/MultiRegionWrite

Bumps [ansi-regex](https://github.com/chalk/ansi-regex) from 3.0.0 to 4.1.1.
- [Release notes](https://github.com/chalk/ansi-regex/releases)
- [Commits](https://github.com/chalk/ansi-regex/compare/v3.0.0...v4.1.1)

---
updated-dependencies:
- dependency-name: ansi-regex
  dependency-type: indirect
...

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

samples/MultiRegionWrite/package-lock.json

@@ -31,7 +31,7 @@
     "ansi-regex": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-      "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg="
+      "integrity": "sha512-wFUFA5bg5dviipbQQ32yOQhl6gcJaJXiHE7dvR8VYPG97+J/GNC5FKGepKdEDUFeXRzDxPF1X/Btc8L+v7oqIQ=="
     },
     "ansi-styles": {
       "version": "3.2.1",