(cabal check) Add "Autogen include" test

All in `autogen-includes` hs to be in either `includes` or
`install-includes`.

cabal-testsuite/PackageTests/Check/ConfiguredPackage/Sanity/AutogenIncludes/cabal.out

+# cabal check
+Warning: The package will not build sanely due to these errors:
+Warning: An include in 'autogen-includes' is neither in 'includes' or 'install-includes'.
+Warning: Hackage would reject this package.

cabal-testsuite/PackageTests/Check/ConfiguredPackage/Sanity/AutogenIncludes/cabal.test.hs

+import Test.Cabal.Prelude
+
+-- All `autogen-includes` should appear in `install-includes` or
+-- `includes`.
+main = cabalTest $
+  fails $ cabal "check" []

cabal-testsuite/PackageTests/Check/ConfiguredPackage/Sanity/AutogenIncludes/pkg.cabal

+cabal-version: 3.0
+name: pkg
+synopsis: synopsis
+description: description
+version: 0
+category: example
+maintainer: none@example.com
+license: GPL-3.0-or-later
+
+library
+  exposed-modules: Foo
+  default-language: Haskell2010
+  autogen-includes: AutoGenInc