chore: spring frameworkの仮想スレッド機能を有効化

src/main/resources/application.yml

@@ -37,6 +37,9 @@ spring:
   h2:
     console:
       enabled: true
+  threads:
+    virtual:
+      enabled: true
 server:
   tomcat:
     basedir: tomcat
@@ -44,4 +47,4 @@ server:
       enabled: true
     max-http-form-post-size: 40MB
     max-swallow-size: 40MB
-  port: 8081
+  port: 8081