Bump io.swagger:swagger-codegen from 2.4.3 to 2.4.19

Bumps [io.swagger:swagger-codegen](https://github.com/swagger-api/swagger-codegen) from 2.4.3 to 2.4.19.
- [Release notes](https://github.com/swagger-api/swagger-codegen/releases)
- [Commits](https://github.com/swagger-api/swagger-codegen/compare/v2.4.3...v2.4.19)

---
updated-dependencies:
- dependency-name: io.swagger:swagger-codegen
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index 46479b0..6396c7e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -43,7 +43,7 @@
     
     <javax.ws.rs-api.version>2.1</javax.ws.rs-api.version>
     <swagger.version>2.0.10</swagger.version>
-    <swagger-codegen.version>2.4.3</swagger-codegen.version>
+    <swagger-codegen.version>2.4.19</swagger-codegen.version>
     <junit.version>4.12</junit.version>
     <asm.version>7.2</asm.version>
     <powermock.version>1.6.2</powermock.version>