Bump elm/json from 1.0.0 to 1.1.3

Bumps [elm/json](https://github.com/elm/json) from 1.0.0 to 1.1.3.
- [Release notes](https://github.com/elm/json/releases)
- [Commits](elm/json@1.0.0...1.1.3)

---
updated-dependencies:
- dependency-name: elm/json
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

elm.json

@@ -12,7 +12,7 @@
             "elm/core": "1.0.0",
             "elm/html": "1.0.0",
             "elm/http": "1.0.0",
-            "elm/json": "1.0.0",
+            "elm/json": "1.1.3",
             "elm/time": "1.0.0",
             "elm/url": "1.0.0",
             "elm-explorations/markdown": "1.0.0",