CI debug: fix path

Author: be32826

.github/workflows/build.yml

@@ -180,7 +180,7 @@ jobs:
 
             # Copy the stable source directory instead of the run-specific one
             rm -rf linux
-            ln -s /sources-dir linux
+            ln -s /sources-dir/linux linux
 
             ./build.sh --targets "$TARGET" ${VERSIONS:+--versions "$VERSIONS"} --extra-docker-opts "-v $SOURCES_DIR:/sources-dir"