Bump io.spring.dependency-management from 1.0.13.RELEASE to 1.1.6

Bumps io.spring.dependency-management from 1.0.13.RELEASE to 1.1.6.

---
updated-dependencies:
- dependency-name: io.spring.dependency-management
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

build.gradle

@@ -14,7 +14,7 @@ buildscript {
 }
 
 plugins {
-    id 'io.spring.dependency-management' version '1.0.13.RELEASE'
+    id 'io.spring.dependency-management' version '1.1.6'
     id 'java'
     id 'application'
     id 'maven-publish'