Run mvn with the project's pom.xml in hybrid_execution.sh (#12064)

This script may run outside the project root path, so we use 'mvn -f
$project_root' to target the project's pom.xml


To follow up: #12054

Signed-off-by: timl <timl@nvidia.com>

jenkins/hybrid_execution.sh

@@ -32,7 +32,9 @@ hybrid_prepare(){
     fi
 
     echo "Downloading hybrid execution dependency jars..."
-    RAPIDS_HYBRID_VER=${RAPIDS_HYBRID_VER:-$(mvn -B -q help:evaluate -Dexpression=spark-rapids-hybrid.version -DforceStdout)}
+    project_root=$(git rev-parse --show-toplevel)
+    # This script may run outside the project root path, so we use mvn -f $project_root to target the project's pom.xml
+    RAPIDS_HYBRID_VER=${RAPIDS_HYBRID_VER:-$(mvn -f $project_root -B -q help:evaluate -Dexpression=spark-rapids-hybrid.version -DforceStdout)}
     RAPIDS_HYBRID_URL=${RAPIDS_HYBRID_URL:-$URM_URL}
     GLUTEN_BUNDLE_JAR="gluten-velox-bundle-${GLUTEN_VERSION}-spark${spark_prefix}_${SCALA_BINARY_VER}-${os_version}_${cup_arch}.jar"
     HYBRID_JAR="rapids-4-spark-hybrid_${SCALA_BINARY_VER}-${RAPIDS_HYBRID_VER}.jar"