update a couple more pending version strings

doc/src/pair_mliap.rst

@@ -73,7 +73,7 @@ the smooth SO(3) power spectrum with the explicit inclusion of a radial
 basis :ref:`(Bartok) <Bartok2013>` and :ref:`(Zagaceta) <Zagaceta2020>`.
 The available models are *linear* and *nn*.
 
-.. versionadded:: TBD
+.. versionadded:: 17Apr2024
 
 The descriptor style *ace* is a class of highly general atomic
 descriptors, atomic cluster expansion descriptors (ACE) from

python/lammps/pylammps.py

@@ -197,7 +197,7 @@ class Atom(object):
     mass (AKA 'rmass') depending on what is available with
     preference for the per-atom mass.
 
-    .. versionchanged:: TBD
+    .. versionchanged:: 17Apr2024
 
        Support both per-type and per-atom masses. With
        per-type return "mass[type[i]]" else return "rmass[i]".