build(deps): [security] bump is-my-json-valid from 2.16.0 to 2.20.0 (#40)

Bumps [is-my-json-valid](https://github.com/mafintosh/is-my-json-valid) from 2.16.0 to 2.20.0. **This update includes security fixes.**
- [Release notes](https://github.com/mafintosh/is-my-json-valid/releases)
- [Commits](mafintosh/is-my-json-valid@v2.16.0...v2.20.0)

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

Author: dependabot-preview[bot]

yarn.lock

@@ -1976,8 +1976,10 @@ gauge@~2.7.3:
     wide-align "^1.1.0"
 
 generate-function@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/generate-function/-/generate-function-2.0.0.tgz#6858fe7c0969b7d4e9093337647ac79f60dfbe74"
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/generate-function/-/generate-function-2.3.1.tgz#f069617690c10c868e73b8465746764f97c3479f"
+  dependencies:
+    is-property "^1.0.2"
 
 generate-object-property@^1.1.0:
   version "1.2.0"
@@ -2388,12 +2390,17 @@ is-glob@^2.0.0, is-glob@^2.0.1:
   dependencies:
     is-extglob "^1.0.0"
 
+is-my-ip-valid@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-my-ip-valid/-/is-my-ip-valid-1.0.0.tgz#7b351b8e8edd4d3995d4d066680e664d94696824"
+
 is-my-json-valid@^2.10.0:
-  version "2.16.0"
-  resolved "https://registry.yarnpkg.com/is-my-json-valid/-/is-my-json-valid-2.16.0.tgz#f079dd9bfdae65ee2038aae8acbc86ab109e3693"
+  version "2.20.0"
+  resolved "https://registry.yarnpkg.com/is-my-json-valid/-/is-my-json-valid-2.20.0.tgz#1345a6fca3e8daefc10d0fa77067f54cedafd59a"
   dependencies:
     generate-function "^2.0.0"
     generate-object-property "^1.1.0"
+    is-my-ip-valid "^1.0.0"
     jsonpointer "^4.0.0"
     xtend "^4.0.0"
 
@@ -2455,7 +2462,7 @@ is-promise@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-2.1.0.tgz#79a2a9ece7f096e80f36d2b2f3bc16c1ff4bf3fa"
 
-is-property@^1.0.0:
+is-property@^1.0.0, is-property@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-property/-/is-property-1.0.2.tgz#57fe1c4e48474edd65b09911f26b1cd4095dda84"