require newer scipp

Author: nvaytet

pyproject.toml

@@ -32,7 +32,7 @@ requires-python = ">=3.11"
 dependencies = [
   "plopp>=23.10.0",
   "pooch>=1.5.0",
-  "scipp>=25.01.0",
+  "scipp>=25.08.0",
   "lazy-loader>=0.3",
 ]