Update mockito-core to 5.9.0 (#1632)

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

Author: scala-steward

project/Dependencies.scala

@@ -16,7 +16,7 @@ object Dependencies {
     // For testing
     val annotationApi           = "1.3.2"
     val cats                    = "2.6.1"
-    val mockito                 = "5.8.0"
+    val mockito                 = "5.9.0"
     val munit                   = "1.0.0-M8"
     val scalaTest               = "3.2.17"
     val scalaTestPlusMockito    = "3.1.0.0"