Complete dependency management for Spring Session

Spring Session 1.2 has introduced two new modules. This commit
expands Boot's dependency management to cover them.

Closes gh-5634

spring-boot-dependencies/pom.xml

@@ -2105,6 +2105,16 @@
 				<artifactId>spring-session-data-gemfire</artifactId>
 				<version>${spring-session.version}</version>
 			</dependency>
+			<dependency>
+				<groupId>org.springframework.session</groupId>
+				<artifactId>spring-session-data-mongo</artifactId>
+				<version>${spring-session.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.springframework.session</groupId>
+				<artifactId>spring-session-jdbc</artifactId>
+				<version>${spring-session.version}</version>
+			</dependency>
 			<dependency>
 				<groupId>org.springframework.session</groupId>
 				<artifactId>spring-session-data-redis</artifactId>