build(deps): bump the java-example-deps group across 1 directory with 4 updates

Bumps the java-example-deps group with 4 updates in the /backend/java directory: [com.sumup:sumup-sdk](https://github.com/sumup/sumup-java), [com.fasterxml.jackson.core:jackson-databind](https://github.com/FasterXML/jackson), com.diffplug.spotless and [gradle-wrapper](https://github.com/gradle/gradle).


Updates `com.sumup:sumup-sdk` from 0.0.6 to 0.0.7
- [Release notes](https://github.com/sumup/sumup-java/releases)
- [Changelog](https://github.com/sumup/sumup-java/blob/main/CHANGELOG.md)
- [Commits](sumup/sumup-java@v0.0.6...v0.0.7)

Updates `com.fasterxml.jackson.core:jackson-databind` from 2.21.3 to 2.22.0
- [Commits](https://github.com/FasterXML/jackson/commits)

Updates `com.diffplug.spotless` from 8.5.1 to 8.7.0

Updates `gradle-wrapper` from 9.5.1 to 9.6.0
- [Release notes](https://github.com/gradle/gradle/releases)
- [Commits](gradle/gradle@v9.5.1...v9.6.0)

---
updated-dependencies:
- dependency-name: com.sumup:sumup-sdk
  dependency-version: 0.0.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: java-example-deps
- dependency-name: com.fasterxml.jackson.core:jackson-databind
  dependency-version: 2.22.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: java-example-deps
- dependency-name: com.diffplug.spotless
  dependency-version: 8.7.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: java-example-deps
- dependency-name: gradle-wrapper
  dependency-version: 9.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: java-example-deps
...

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

Author: dependabot[bot]

backend/java/build.gradle

@@ -1,6 +1,6 @@
 plugins {
     id 'application'
-    id 'com.diffplug.spotless' version '8.5.1'
+    id 'com.diffplug.spotless' version '8.7.0'
 }
 
 group = 'com.sumup.examples'
@@ -11,8 +11,8 @@ repositories {
 }
 
 dependencies {
-    implementation 'com.sumup:sumup-sdk:0.0.6'
-    implementation 'com.fasterxml.jackson.core:jackson-databind:2.21.3'
+    implementation 'com.sumup:sumup-sdk:0.0.7'
+    implementation 'com.fasterxml.jackson.core:jackson-databind:2.22.0'
 }
 
 application {

backend/java/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.6.0-bin.zip
 networkTimeout=10000
 retries=0
 retryBackOffMs=500