use 2.1.5 version, not snapshot

Author: tobixlea

aws-serverless-java-container-springboot3/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <artifactId>aws-serverless-java-container</artifactId>
         <groupId>com.amazonaws.serverless</groupId>
-        <version>2.1.5-SNAPSHOT</version>
+        <version>2.1.5</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -29,12 +29,12 @@
         <dependency>
             <groupId>com.amazonaws.serverless</groupId>
             <artifactId>aws-serverless-java-container-core</artifactId>
-            <version>2.1.5-SNAPSHOT</version>
+            <version>2.1.5</version>
         </dependency>
         <dependency>
             <groupId>com.amazonaws.serverless</groupId>
             <artifactId>aws-serverless-java-container-core</artifactId>
-            <version>2.1.5-SNAPSHOT</version>
+            <version>2.1.5</version>
             <classifier>tests</classifier>
             <type>test-jar</type>
             <scope>test</scope>