[Release 1.2.0-M1] Update to next Boot snapshot

Author: onobc

gradle.properties

@@ -1,5 +1,5 @@
 version=1.2.0-SNAPSHOT
-version.samples=1.2.0-M1
+version.samples=1.2.0-SNAPSHOT
 
 org.gradle.caching=true
 org.gradle.parallel=true

gradle/libs.versions.toml

@@ -22,8 +22,8 @@ junit = "5.10.3"
 hamcrest = "2.2"
 mockito = "5.12.0"
 spring-dep-mgmt = "1.1.6"
-spring-boot = "3.4.0-M1"
-spring-boot-for-docs = "3.4.0-M2"
+spring-boot = "3.4.0-SNAPSHOT"
+spring-boot-for-docs = "3.4.0-SNAPSHOT"
 spring-cloud-stream = "4.2.0-M1"
 spring-retry = "2.0.8"
 system-lambda = "1.2.1"