Update pyproject.toml

Author: rerpha

pyproject.toml

@@ -9,7 +9,7 @@ dynamic = ["version"]
 description = "Core bluesky plan stubs & devices for use at ISIS"
 readme = "README.md"
 requires-python = ">=3.10"
-license-files = {"LICENSE"}
+license-files = ["LICENSE"]
 
 authors = [
   {name = "ISIS Experiment Controls", email = "ISISExperimentControls@stfc.ac.uk" }