Bump jbuilder from 2.10.0 to 2.11.2 in /src/supermarket

Bumps [jbuilder](https://github.com/rails/jbuilder) from 2.10.0 to 2.11.2.
- [Release notes](https://github.com/rails/jbuilder/releases)
- [Changelog](https://github.com/rails/jbuilder/blob/master/CHANGELOG.md)
- [Commits](rails/jbuilder@v2.10.0...v2.11.2)

---
updated-dependencies:
- dependency-name: jbuilder
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

src/supermarket/Gemfile.lock

@@ -270,7 +270,7 @@ GEM
     ice_nine (0.11.2)
     iniparse (1.5.0)
     ipaddress (0.8.3)
-    jbuilder (2.10.0)
+    jbuilder (2.11.2)
       activesupport (>= 5.0.0)
     jmespath (1.3.1)
     json (2.5.1)