Switch to Spring Snapshot repository.

Author: jxblum

pom.xml

@@ -100,8 +100,8 @@
 
 <repositories>
 <repository>
-<id>spring-libs-snapshot</id>
-<url>https://repo.spring.io/libs-snapshot</url>
+<id>spring-snapshot</id>
+<url>https://repo.spring.io/snapshot</url>
 </repository>
 </repositories>