Bump swagger-maven-plugin from 2.1.11 to 2.1.12

Bumps swagger-maven-plugin from 2.1.11 to 2.1.12.

---
updated-dependencies:
- dependency-name: io.swagger.core.v3:swagger-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index 07e9c90..8404f73 100644
--- a/pom.xml
+++ b/pom.xml
@@ -138,7 +138,7 @@
 
     <plexusUtilsPluginsVersion>3.0.15</plexusUtilsPluginsVersion>
 
-    <swagger.plugin.version>2.1.11</swagger.plugin.version>
+    <swagger.plugin.version>2.1.12</swagger.plugin.version>
     <swagger.codegen.plugin.version>3.0.30</swagger.codegen.plugin.version>
     <io.swagger.version>2.1.10</io.swagger.version>