chore: use patched graphhopper version (#2048)

Author: aoles

CHANGELOG.md

@@ -44,6 +44,7 @@ Releasing is documented in RELEASE.md
 - fix population data link in docs ([#1624](https://github.com/GIScience/openrouteservice/issues/1624))
 - accept upper and lower case booleans for REBUILD_GRAPHS within the docker setup ([#2028](https://github.com/GIScience/openrouteservice/pull/2028))
 - correct available features in custom-model docs ([#2033](https://github.com/GIScience/openrouteservice/issues/2033))
+- prevent ferry speed derived from the OSM maxspeed tag from exceeding the maximum possible encoder value ([#2030](https://github.com/GIScience/openrouteservice/issues/2030)) 
 
 ### Security
 

pom.xml

@@ -50,7 +50,7 @@
         <maven.build.timestamp.format>yyyy-MM-dd'T'HH:mm:ss'Z'</maven.build.timestamp.format>
 
         <!-- switch graphhopper versions to enable debugging -->
-        <graphhopper.version>v4.9.7</graphhopper.version>
+        <graphhopper.version>v4.9.8</graphhopper.version>
 <!--        <graphhopper.version>4.9-SNAPSHOT</graphhopper.version>-->
         <lombok.version>1.18.34</lombok.version>
         <slf4j.version>2.0.13</slf4j.version>