Upgrade to Reactor 2025.0.0-M5

Closes gh-1268

Author: bclozel

platform/build.gradle

@@ -10,7 +10,7 @@ dependencies {
 	api(platform("org.springframework:spring-framework-bom:${springFrameworkVersion}"))
 	api(platform("com.fasterxml.jackson:jackson-bom:2.18.4"))
 	api(platform("tools.jackson:jackson-bom:3.0.0-rc4"))
-	api(platform("io.projectreactor:reactor-bom:2025.0.0-M3"))
+	api(platform("io.projectreactor:reactor-bom:2025.0.0-M5"))
 	api(platform("io.micrometer:micrometer-bom:1.15.0"))
 	api(platform("io.micrometer:micrometer-tracing-bom:1.5.0"))
 	api(platform("org.springframework.data:spring-data-bom:2025.1.0-M3"))