Upgrade to Spring Vault 3.1.0-RC1

Fixes #2339

Author: ryanjbaxter

spring-cloud-config-dependencies/pom.xml

@@ -16,7 +16,7 @@
 	<description>Spring Cloud Config Dependencies</description>
 	<properties>
 		<jgit.version>6.4.0.202211300538-r</jgit.version>
-		<spring-vault.version>3.0.2</spring-vault.version>
+		<spring-vault.version>3.1.0-RC1</spring-vault.version>
 		<spring-credhub.version>2.1.1.RELEASE</spring-credhub.version>
 	</properties>
 	<dependencyManagement>