build(deps): bump swagger-annotations from 1.6.8 to 1.6.9

Bumps swagger-annotations from 1.6.8 to 1.6.9.

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

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

Author: dependabot[bot]

plc4j/integrations/apache-nifi/pom.xml

@@ -132,7 +132,7 @@
 			<dependency>
 				<groupId>io.swagger</groupId>
 				<artifactId>swagger-annotations</artifactId>
-				<version>1.6.8</version>
+				<version>1.6.9</version>
 			</dependency>
 			<dependency>
 				<groupId>org.glassfish.jaxb</groupId>