Fix java version for hello-annotations

Author: tboychuk

1-0-java-basics/1-5-0-hello-annotations/pom.xml

@@ -12,8 +12,8 @@
     <artifactId>1-5-0-hello-annotations</artifactId>
 
     <properties>
-        <maven.compiler.source>15</maven.compiler.source>
-        <maven.compiler.target>15</maven.compiler.target>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
     </properties>
 
 </project>