Spring Boot 3.2 is no longer supported

Closes gh-894

Author: rainboyan

grace-shell/src/main/groovy/org/grails/cli/profile/commands/CreateAppCommand.groovy

@@ -94,7 +94,7 @@ class CreateAppCommand extends ArgumentCompletingCommand implements ProfileRepos
     public static final String BOOT_VERSION_FLAG = 'boot-version'
 
     public static final String[] SUPPORT_GRACE_VERSIONS = ['2023', '2022', '6', '5', '4', '3']
-    public static final String[] SUPPORT_SPRING_BOOT_VERSIONS = ['3.2', '3.3', '3.4']
+    public static final String[] SUPPORT_SPRING_BOOT_VERSIONS = ['3.3', '3.4']
 
     public static final String UNZIP_PROFILE_TEMP_DIR = 'grails-profile-'
     public static final String UNZIP_TEMPLATE_TEMP_DIR = 'grails-template-'