Bump org.modelmapper:modelmapper from 3.2.4 to 3.2.6 in /backend

Bumps [org.modelmapper:modelmapper](https://github.com/modelmapper/modelmapper) from 3.2.4 to 3.2.6.
- [Changelog](https://github.com/modelmapper/modelmapper/blob/master/CHANGES.md)
- [Commits](modelmapper/modelmapper@modelmapper-parent-3.2.4...modelmapper-parent-3.2.6)

---
updated-dependencies:
- dependency-name: org.modelmapper:modelmapper
  dependency-version: 3.2.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

backend/pom.xml

@@ -72,7 +72,7 @@
 		<dependency>
 		    <groupId>org.modelmapper</groupId>
 		    <artifactId>modelmapper</artifactId>
-		    <version>3.2.4</version>
+		    <version>3.2.6</version>
 		</dependency>
 		<dependency>
 			<groupId>org.projectlombok</groupId>