chore(deps): bump github.com/otiai10/copy in /plugins/app-json

Bumps [github.com/otiai10/copy](https://github.com/otiai10/copy) from 1.11.0 to 1.12.0.
- [Release notes](https://github.com/otiai10/copy/releases)
- [Commits](https://github.com/otiai10/copy/compare/v1.11.0...v1.12.0)

---
updated-dependencies:
- dependency-name: github.com/otiai10/copy
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

plugins/app-json/go.mod

@@ -5,7 +5,7 @@ go 1.19
 require (
 	github.com/dokku/dokku/plugins/common v0.0.0-00010101000000-000000000000
 	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
-	github.com/otiai10/copy v1.11.0
+	github.com/otiai10/copy v1.12.0
 	github.com/spf13/pflag v1.0.5
 	golang.org/x/sync v0.3.0
 )