Upgrade to Spring Boot 3.0.0-M2.

Author: jxblum

gradle.properties

@@ -9,7 +9,7 @@ multithreadedtcVersion=1.01
 pivotalCloudCacheVersion=1.14.4
 pivotalGemFireVersion=9.10.15
 springVersion=6.0.0-M3
-springBootVersion=3.0.0-SNAPSHOT
+springBootVersion=3.0.0-M2
 springCloudBindingsVersion=1.8.1
 springDataBomVersion=2022.0.0-M1
 springDataGeodeVersion=3.0.0-SNAPSHOT