Bump io.swagger:swagger-core from 1.6.11 to 1.6.12 (#668)

Bumps [io.swagger:swagger-core](https://github.com/swagger-api/swagger-core) from 1.6.11 to 1.6.12.
- [Release notes](https://github.com/swagger-api/swagger-core/releases)
- [Commits](swagger-api/swagger-core@v1.6.11...v1.6.12)

---
updated-dependencies:
- dependency-name: io.swagger:swagger-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -227,7 +227,7 @@
             <dependency>
                 <groupId>io.swagger</groupId>
                 <artifactId>swagger-core</artifactId>
-                <version>1.6.11</version>
+                <version>1.6.12</version>
             </dependency>
 
             <dependency>