Build: Update projectReactorVersion to 'Californium-SR23'

Author: rozza

build.gradle

@@ -49,7 +49,7 @@ ext {
     snappyVersion = '1.1.4'
     zstdVersion = '1.3.8-3'
     mongoCryptVersion = '1.1.0'
-    projectReactorVersion = 'Californium-SR21'
+    projectReactorVersion = 'Californium-SR23'
     gitVersion = getGitVersion()
 }
 
@@ -365,4 +365,4 @@ if (!JavaVersion.current().isJava9Compatible()) {
         | JDK ${JavaVersion.VERSION_1_9.getMajorVersion()} is required to build the driver: You are using JDK ${JavaVersion.current().getMajorVersion()}.
         |""".stripMargin()
     )
-}
+}