Update build-openharmony-x64.sh

Author: CeSun

scripts/build-openharmony-x64.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 docker run --rm \
-    -v /runtime:/runtime \
-    -v /package:/package \
+    -v "$(dirname $(pwd))/runtime:/runtime" \
+    -v "$(dirname $(pwd))/package:/package" \
     -w /runtime \
     -e ROOTFS_DIR="/crossrootfs/x64" \
     mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-cross-amd64-musl \