chore(deps): update dependency com.graphhopper:graphhopper-core to v12

Author: renovate[bot]

gradle/libs.versions.toml

@@ -7,7 +7,7 @@ arrow = "2.2.3"
 compose-multiplatform = "1.12.2"
 dokka = "2.2.0"
 graphql = "11.0.0"
-graphhopper = "11.1"
+graphhopper = "12.0-pre2"
 graphstream = "2.0"
 junit = "6.1.3"
 konf = "1.1.2"