Fix Spotless formatting violation

Put LOGGER.debug() call on single line to satisfy Spotless formatting rules.

Author: cowwoc

src/main/java/org/apache/maven/buildcache/BuildCacheMojosExecutionStrategy.java

@@ -201,8 +201,7 @@ public void execute(
                         // When running only clean phase, there are no cacheable mojos
                         if (result.getValidationTimeEvents() == null
                                 || result.getValidationTimeEvents().isEmpty()) {
-                            LOGGER.debug(
-                                    "Skipping cache storage for {} - no cacheable mojos executed", projectName);
+                            LOGGER.debug("Skipping cache storage for {} - no cacheable mojos executed", projectName);
                         } else {
                             LOGGER.debug("Using validation-time properties for cache storage (consistent lifecycle point)");
                             cacheController.save(result, mojoExecutions, result.getValidationTimeEvents());