chore(deps): bump io.swagger:swagger-annotations from 1.6.14 to 1.6.15 (#271)

Bumps io.swagger:swagger-annotations from 1.6.14 to 1.6.15.

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

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

Author: dependabot[bot]

plc4j/integrations/apache-nifi/pom.xml

@@ -136,7 +136,7 @@
             <dependency>
                 <groupId>io.swagger</groupId>
                 <artifactId>swagger-annotations</artifactId>
-                <version>1.6.14</version>
+                <version>1.6.15</version>
             </dependency>
             <dependency>
                 <groupId>org.glassfish.jaxb</groupId>