Use SPDX license identifier in pyproject.toml

Author: bdice

pyproject.toml

@@ -17,7 +17,7 @@ dependencies = [
     "rapids-dependency-file-generator>=1.13.3,<2.0.dev0",
     "tomlkit",
 ] # This list was generated by `rapids-dependency-file-generator`. To make changes, edit dependencies.yaml and run `rapids-dependency-file-generator`.
-license = { text = "Apache 2.0" }
+license = "Apache-2.0"
 classifiers = [
     "Intended Audience :: Developers",
     "License :: OSI Approved :: Apache Software License",