Update lsdb version and remove universal_pathlib in requirements.txt

Author: jaladh-singhal

.binder/requirements.txt

@@ -12,9 +12,7 @@ pyarrow>=10.0.1
 hpgeom
 pandas>=1.5.2
 dask[distributed]
-lsdb>=0.6.4
-# indirect dependency workaround until https://github.com/astronomy-commons/lsdb/issues/1047 is resolved and picked up as out minimum version
-universal_pathlib<0.3
+lsdb>=0.6.6
 psutil
 ray
 s3fs