Bump is-my-json-valid in /samples/js-extend-webpack

Bumps [is-my-json-valid](https://github.com/mafintosh/is-my-json-valid) from 2.16.0 to 2.20.6.
- [Commits](https://github.com/mafintosh/is-my-json-valid/compare/v2.16.0...v2.20.6)

---
updated-dependencies:
- dependency-name: is-my-json-valid
  dependency-type: indirect
...

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

samples/js-extend-webpack/yarn.lock

@@ -4456,13 +4456,18 @@ is-glob@^4.0.0:
   dependencies:
     is-extglob "^2.1.1"
 
+is-my-ip-valid@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-my-ip-valid/-/is-my-ip-valid-1.0.1.tgz#f7220d1146257c98672e6fba097a9f3f2d348442"
+
 is-my-json-valid@^2.12.4:
-  version "2.16.0"
-  resolved "https://registry.yarnpkg.com/is-my-json-valid/-/is-my-json-valid-2.16.0.tgz#f079dd9bfdae65ee2038aae8acbc86ab109e3693"
+  version "2.20.6"
+  resolved "https://registry.yarnpkg.com/is-my-json-valid/-/is-my-json-valid-2.20.6.tgz#a9d89e56a36493c77bda1440d69ae0dc46a08387"
   dependencies:
     generate-function "^2.0.0"
     generate-object-property "^1.1.0"
-    jsonpointer "^4.0.0"
+    is-my-ip-valid "^1.0.0"
+    jsonpointer "^5.0.0"
     xtend "^4.0.0"
 
 is-npm@^1.0.0:
@@ -4757,9 +4762,9 @@ jsonify@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/jsonify/-/jsonify-0.0.0.tgz#2c74b6ee41d93ca51b7b5aaee8f503631d252a73"
 
-jsonpointer@^4.0.0:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/jsonpointer/-/jsonpointer-4.0.1.tgz#4fd92cb34e0e9db3c89c8622ecf51f9b978c6cb9"
+jsonpointer@^5.0.0:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/jsonpointer/-/jsonpointer-5.0.1.tgz#2110e0af0900fd37467b5907ecd13a7884a1b559"
 
 jsprim@^1.2.2:
   version "1.4.0"