upgrade spring boot to 2.4.0-snapshoot

Author: mohamed-taman

store-base/store-build-chassis/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.3.0.RELEASE</version>
+        <version>2.4.0-SNAPSHOT</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>