Prepare next development iteration.

Set Spring Boot version to 2.3.12.BUILD-SNAPSHOT.

Set version to 1.3.12.BUILD-SNAPSHOT.

Author: jxblum

gradle.properties

@@ -9,7 +9,7 @@ multithreadedtcVersion=1.01
 pivotalCloudCacheVersion=1.12.2
 pivotalGemFireVersion=9.10.7
 springVersion=5.2.15.RELEASE
-springBootVersion=2.3.11.RELEASE
+springBootVersion=2.3.12.BUILD-SNAPSHOT
 springDataGemFireVersion=2.3.9.RELEASE
 springDataGeodeVersion=2.3.9.RELEASE
 springDataGeodeTestVersion=0.0.20.RELEASE
@@ -18,4 +18,4 @@ springSessionBomVersion=Dragonfruit-SR3
 springSessionDataGeodeVersion=2.3.5.RELEASE
 springShellVersion=1.2.0.RELEASE
 testcontainersVersion=1.15.3
-version=1.3.11.RELEASE
+version=1.3.12.BUILD-SNAPSHOT