update citation version

Author: lkdvos

CITATION.cff

@@ -8,9 +8,9 @@ authors:
   given-names: "Jutho"
   orcid: "https://orcid.org/0000-0002-0858-291X"
 title: "TensorKit.jl"
-version: "0.14.11"
+version: "0.15.0"
 doi: "10.5281/zenodo.8421339"
-date-released: "2025-07-18"
+date-released: "2025-10-03"
 url: "https://github.com/QuantumKitHub/TensorKit.jl"
 preferred-citation:
   type: article