chore(deps): bump org.openapitools.openapidiff:openapi-diff-core (#1181)

Bumps the other-dependencies group with 1 update: [org.openapitools.openapidiff:openapi-diff-core](https://github.com/OpenAPITools/openapi-diff).


Updates `org.openapitools.openapidiff:openapi-diff-core` from 2.1.5 to 2.1.6
- [Release notes](https://github.com/OpenAPITools/openapi-diff/releases)
- [Commits](OpenAPITools/openapi-diff@2.1.5...2.1.6)

---
updated-dependencies:
- dependency-name: org.openapitools.openapidiff:openapi-diff-core
  dependency-version: 2.1.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: other-dependencies
...

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

Author: dependabot[bot]

boat-maven-plugin/pom.xml

@@ -52,7 +52,7 @@
         <dependency>
             <groupId>org.openapitools.openapidiff</groupId>
             <artifactId>openapi-diff-core</artifactId>
-            <version>2.1.5</version>
+            <version>2.1.6</version>
         </dependency>
 
         <dependency>