dependency upgrade

Author: gladius

demo/.gitignore

@@ -32,3 +32,5 @@ yarn-error.log*
 
 # vercel
 .vercel
+
+yarn.lock

pom.xml

@@ -15,7 +15,7 @@
 <parent>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-parent</artifactId>
-<version>2.4.0</version>
+<version>2.5.1</version>
 <relativePath /> <!-- lookup parent from repository -->
 </parent>
 
@@ -43,7 +43,7 @@
 <dependency>
 <groupId>com.amazonaws</groupId>
 <artifactId>aws-java-sdk-s3</artifactId>
-<version>1.11.912</version>
+<version>1.12.9</version>
 </dependency>
 <dependency>
 <groupId>org.projectlombok</groupId>