Refactor dependency version to use variable

pom.xml

@@ -234,22 +234,22 @@
 		<dependency>
 			<groupId>org.springframework.security</groupId>
 			<artifactId>spring-security-core</artifactId>
-			<version>6.2.0</version>
+			<version>${spring.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.security</groupId>
 			<artifactId>spring-security-config</artifactId>
-			<version>6.2.0</version>
+			<version>${spring.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.security</groupId>
 			<artifactId>spring-security-web</artifactId>
-			<version>6.2.0</version>
+			<version>${spring.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.security</groupId>
 			<artifactId>spring-security-crypto</artifactId>
-			<version>6.2.0</version>
+			<version>${spring.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.security</groupId>
@@ -258,23 +258,16 @@
 		</dependency>
 
 
-
-
 		<!-- OAuth2 dependencies -->
-		<dependency>
-			<groupId>org.springframework.security.oauth</groupId>
-			<artifactId>spring-security-oauth2</artifactId>
-			<version>2.5.2.RELEASE</version>
-		</dependency>
 		<dependency>
 			<groupId>org.springframework.security</groupId>
 			<artifactId>spring-security-oauth2-client</artifactId>
-			<version>6.2.0</version>
+			<version>${spring.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.security</groupId>
 			<artifactId>spring-security-oauth2-jose</artifactId>
-			<version>6.2.0</version>
+			<version>${spring.version}</version>
 		</dependency>
 
 		<dependency>