Bump goa.design/model from 1.14.2 to 1.15.0

Bumps [goa.design/model](https://github.com/goadesign/model) from 1.14.2 to 1.15.0.
- [Release notes](https://github.com/goadesign/model/releases)
- [Commits](goadesign/model@v1.14.2...v1.15.0)

---
updated-dependencies:
- dependency-name: goa.design/model
  dependency-version: 1.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

go.mod

@@ -10,7 +10,7 @@ require (
 	go.uber.org/zap v1.28.0
 	goa.design/clue v1.2.6
 	goa.design/goa/v3 v3.28.0
-	goa.design/model v1.14.2
+	goa.design/model v1.15.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 

go.sum

@@ -96,8 +96,8 @@ goa.design/clue v1.2.6 h1:ensyUkwlvEbNy8FuTGMldKuvaNouh8YoDY9QaE+EtYg=
 goa.design/clue v1.2.6/go.mod h1:Y4RS5o2k6MZiGk2PT3XbKyntjR2xkr8dYOKQ591dIDM=
 goa.design/goa/v3 v3.28.0 h1:fhLqn0crrmjlDJBlXMKvDMVxScAp6TcEeGTSoFTCZ7o=
 goa.design/goa/v3 v3.28.0/go.mod h1:EliUsJT3ObuebAPvYZsZtsl2wzEqf0N3HJRw6MrfDxQ=
-goa.design/model v1.14.2 h1:n5kD+k0+DbW4pTA21GFDel04hqkIjZ/NfBoWbk391Ns=
-goa.design/model v1.14.2/go.mod h1:u/g1KQe+6nz2q8zDJs7E6O5BGz0sMmoZ6UjGtn8TSDQ=
+goa.design/model v1.15.0 h1:MpcH1PmqBPrba3g9Mgq0AgnE8dzDyq+uZXHbzZ19TZ0=
+goa.design/model v1.15.0/go.mod h1:+T9CJxwS56wiy8AoPyE4l4CbvasozJwbI7c3BkqZvDc=
 golang.org/x/mod v0.36.0 h1:JJjpVx6myfUsUdAzZuOSTTmRE0PfZeNWzzvKrP7amb4=
 golang.org/x/mod v0.36.0/go.mod h1:moc6ELqsWcOw5Ef3xVprK5ul/MvtVvkIXLziUOICjUQ=
 golang.org/x/net v0.55.0 h1:bcvxaJn3e1U6InsFWt1JUq1aSjnRxLzT2rtD2KfkDF8=