GP-83 upgrade Spring versions

Author: tboychuk

3-0-spring-framework/3-0-1-hello-spring-mvc/pom.xml

@@ -15,20 +15,20 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
-            <version>2.4.3</version>
+            <version>2.4.5</version>
         </dependency>
 
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
-            <version>2.4.3</version>
+            <version>2.4.5</version>
             <scope>test</scope>
         </dependency>
 
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-thymeleaf</artifactId>
-            <version>2.4.3</version>
+            <version>2.4.5</version>
         </dependency>
 
     </dependencies>

3-0-spring-framework/pom.xml

@@ -23,12 +23,12 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-webmvc</artifactId>
-            <version>5.2.12.RELEASE</version>
+            <version>5.3.6</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-test</artifactId>
-            <version>5.2.12.RELEASE</version>
+            <version>5.3.6</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>