Add encodepassword command to the CLI

Update the CLI so that `encodepassword <password>` can be used to
generate an encoded password.

Fixes gh-11875

spring-boot-project/spring-boot-cli/pom.xml

@@ -43,6 +43,10 @@
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-core</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>org.springframework.security</groupId>
+			<artifactId>spring-security-crypto</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>org.apache.maven</groupId>
 			<artifactId>maven-aether-provider</artifactId>