Use Gradle 8.12.1 for generated projects

See gh-1620

Author: mhalbritter

initializr-generator-spring/src/main/resources/gradle/8/wrapper/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.11.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.12.1-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

initializr-generator-spring/src/test/java/io/spring/initializr/generator/spring/build/gradle/GradleKtsProjectGenerationConfigurationTests.java

@@ -53,7 +53,7 @@
  */
 class GradleKtsProjectGenerationConfigurationTests {
 
-	private static final String GRADLE_VERSION = "8.11.1";
+	private static final String GRADLE_VERSION = "8.12.1";
 
 	private ProjectAssetTester projectTester;
 

initializr-generator-spring/src/test/java/io/spring/initializr/generator/spring/build/gradle/GradleProjectGenerationConfigurationTests.java

@@ -54,7 +54,7 @@
  */
 class GradleProjectGenerationConfigurationTests {
 
-	private static final String GRADLE_VERSION = "8.11.1";
+	private static final String GRADLE_VERSION = "8.12.1";
 
 	private ProjectAssetTester projectTester;