chore: update ontology descendant mappings

Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: nayib-jose-gloria

ontology-assets/tissue_descendants.json

@@ -220,6 +220,7 @@
     "UBERON:0001162",
     "UBERON:0001165",
     "UBERON:0001238",
+    "UBERON:0001242 (organoid)",
     "UBERON:0001723",
     "UBERON:0001728",
     "UBERON:0001828",
@@ -837,6 +838,7 @@
     "UBERON:0001158",
     "UBERON:0001159",
     "UBERON:0001238",
+    "UBERON:0001242 (organoid)",
     "UBERON:0001902",
     "UBERON:0002108",
     "UBERON:0002114",