Bump github.com/google/gnostic from 0.5.7-v3refs to 0.7.0

Bumps [github.com/google/gnostic](https://github.com/google/gnostic) from 0.5.7-v3refs to 0.7.0.
- [Release notes](https://github.com/google/gnostic/releases)
- [Commits](google/gnostic@v0.5.7-v3refs...v0.7.0)

---
updated-dependencies:
- dependency-name: github.com/google/gnostic
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

go.mod

@@ -49,7 +49,8 @@ require (
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/google/gnostic v0.5.7-v3refs // indirect
+	github.com/google/gnostic v0.7.0 // indirect
+	github.com/google/gnostic-models v0.6.9-0.20230804172637-c7be7c783f49 // indirect
 	github.com/google/go-cmp v0.5.9 // indirect
 	github.com/google/gofuzz v1.2.1-0.20210504230335-f78f29fc09ea // indirect
 	github.com/google/s2a-go v0.1.7 // indirect