Upgrade to Spring Session BOM 2021.1.1.

Author: jxblum

gradle.properties

@@ -11,5 +11,5 @@ springDataCommonsVersion=2.6.0
 springDataGeodeVersion=2.6.0
 springDataGeodeTestVersion=0.2.0-Q
 springSessionVersion=2.6.2-SNAPSHOT
-springSessionBomVersion=2021.1.0-SNAPSHOT
+springSessionBomVersion=2021.1.1
 version=2.6.1-SNAPSHOT