Update doobie-core to 1.0.0-RC5 (#557)

Co-authored-by: eikek-scala-steward <[email protected]>

Author: eikek-scala-steward[bot]

project/Dependencies.scala

@@ -2,7 +2,7 @@ import sbt._
 
 object Dependencies {
 
-  val doobieVersion = "1.0.0-RC4"
+  val doobieVersion = "1.0.0-RC5"
   val flexmarkVersion = "0.64.8"
   val fs2Version = "3.9.3"
   val greenmailVersion = "2.0.1"