Update io.micrometer:micrometer-observation to 1.12.0-RC1

Closes gh-14027

Author: marcusdacoregio

gradle/libs.versions.toml

@@ -26,7 +26,7 @@ com-squareup-okhttp3-mockwebserver = { module = "com.squareup.okhttp3:mockwebser
 com-squareup-okhttp3-okhttp = { module = "com.squareup.okhttp3:okhttp", version.ref = "com-squareup-okhttp3" }
 com-unboundid-unboundid-ldapsdk = "com.unboundid:unboundid-ldapsdk:6.0.10"
 commons-collections = "commons-collections:commons-collections:3.2.2"
-io-micrometer-micrometer-observation = "io.micrometer:micrometer-observation:1.12.0-M3"
+io-micrometer-micrometer-observation = "io.micrometer:micrometer-observation:1.12.0-RC1"
 io-mockk = "io.mockk:mockk:1.13.8"
 io-projectreactor-reactor-bom = "io.projectreactor:reactor-bom:2023.0.0-M3"
 io-rsocket-rsocket-bom = { module = "io.rsocket:rsocket-bom", version.ref = "io-rsocket" }