Start building against Spring REST Docs 2.0.2 snapshots

See gh-13505

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

@@ -161,7 +161,7 @@
 		<spring-kafka.version>2.1.7.RELEASE</spring-kafka.version>
 		<spring-ldap.version>2.3.2.RELEASE</spring-ldap.version>
 		<spring-plugin.version>1.2.0.RELEASE</spring-plugin.version>
-		<spring-restdocs.version>2.0.1.RELEASE</spring-restdocs.version>
+		<spring-restdocs.version>2.0.2.BUILD-SNAPSHOT</spring-restdocs.version>
 		<spring-retry.version>1.2.2.RELEASE</spring-retry.version>
 		<spring-security.version>5.0.6.RELEASE</spring-security.version>
 		<spring-session-bom.version>Apple-SR3</spring-session-bom.version>