Fix spdx license in generate-ci.cabal

Author: fendor

.github/generate-ci/generate-ci.cabal

@@ -1,7 +1,7 @@
 cabal-version:      3.0
 name:               generate-ci
 version:            0.1.0.0
-license:            BSD-3-Clause
+license:            Apache-2.0
 license-file:       LICENSE
 build-type:         Simple