fix: rename async executor bean to avoid clash with DeploymentExecutor

The @Bean named 'deploymentExecutor' (ThreadPoolTaskExecutor) collided
with the @Service class DeploymentExecutor. Rename the bean to
'deploymentTaskExecutor'.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/main/java/net/siegeln/cameleer/saas/config/AsyncConfig.java

@@ -18,8 +18,8 @@ public class AsyncConfig {
         this.runtimeConfig = runtimeConfig;
     }
 
-    @Bean(name = "deploymentExecutor")
-    public Executor deploymentExecutor() {
+    @Bean(name = "deploymentTaskExecutor")
+    public Executor deploymentTaskExecutor() {
         var executor = new ThreadPoolTaskExecutor();
         // Core == max: no burst threads. Deployments beyond pool size queue (up to 25).
         executor.setCorePoolSize(runtimeConfig.getDeploymentThreadPoolSize());

src/main/java/net/siegeln/cameleer/saas/deployment/DeploymentExecutor.java

@@ -47,7 +47,7 @@ public class DeploymentExecutor {
         this.runtimeConfig = runtimeConfig;
     }
 
-    @Async("deploymentExecutor")
+    @Async("deploymentTaskExecutor")
     public void executeAsync(DeploymentEntity deployment, AppEntity app, EnvironmentEntity env) {
         try {
             var jarPath = appService.resolveJarPath(app.getJarStoragePath());