Update sources.yaml

Author: kechrisk

_data/sources.yaml

@@ -1,3 +1,7 @@
+- id: pmc:PMC11857268
+  publisher: Metabolites 15(2):140
+  link: https://pmc.ncbi.nlm.nih.gov/articles/PMC11857268/
+
 - id: pmc:PMC12282525
   publisher: Int J Hyg Environ Health.263:114464
   link: https://pmc.ncbi.nlm.nih.gov/articles/PMC12282525/