Update to Reactor 2025.0.0-RC1

Closes gh-3497

Author: rwinch

gradle/libs.versions.toml

@@ -18,7 +18,7 @@ commons-logging="commons-logging:commons-logging:1.3.5"
 com-zaxxer-HikariCP = "com.zaxxer:HikariCP:6.2.1"
 edu-umd-cs-mtc-multithreadedtc = "edu.umd.cs.mtc:multithreadedtc:1.01" # FIXME: Delete multithreadedtc or update?
 io-lettuce-lettuce-core = "io.lettuce:lettuce-core:6.5.5.RELEASE"
-io-projectreactor-reactor-bom = "io.projectreactor:reactor-bom:2025.0.0-M4"
+io-projectreactor-reactor-bom = "io.projectreactor:reactor-bom:2025.0.0-RC1"
 jakarta-servlet-jakarta-servlet-api = "jakarta.servlet:jakarta.servlet-api:6.0.0"
 jakarta-websocket-jakarta-websocket-api = { module = "jakarta.websocket:jakarta.websocket-api", version.ref = "jakarta-websocket" }
 jakarta-websocket-jakarta-websocket-client-api = { module = "jakarta.websocket:jakarta.websocket-client-api", version.ref = "jakarta-websocket" }