Update doobie-core, doobie-postgres to 1.0.0-RC9 (#34)

Co-authored-by: horothesun-scala-steward[bot] <132169906+horothesun-scala-steward[bot]@users.noreply.github.com>

Author: horothesun-scala-steward[bot]

Main.scala

@@ -2,8 +2,8 @@
 //> using jvm temurin:21
 
 //> using dep org.typelevel::cats-effect:3.6.1
-//> using dep org.tpolecat::doobie-core:1.0.0-RC8
-//> using dep org.tpolecat::doobie-postgres:1.0.0-RC8
+//> using dep org.tpolecat::doobie-core:1.0.0-RC9
+//> using dep org.tpolecat::doobie-postgres:1.0.0-RC9
 
 //> using test.dep org.scalameta::munit:1.1.0
 //> using test.dep org.typelevel::munit-cats-effect:2.1.0