Steal Rust's dual-license handling again

Also try to stop GitHub from complaining about an unknown license by renaming
it.

LICENSE → COPYRIGHT

@@ -1,10 +1,10 @@
 Licensed under either of
 
-- Apache License, Version 2.0 (LICENSE.apache or <https://choosealicense.com/licenses/apache/>)
-- or MIT license (LICENSE.mit or <https://choosealicense.com/licenses/mit/>)
+- Apache License, Version 2.0 (LICENSE-APACHE or <https://choosealicense.com/licenses/apache/>)
+- or MIT license (LICENSE-MIT or <https://choosealicense.com/licenses/mit/>)
 
 at your option.
 
 Any contribution intentionally submitted for inclusion in the work by you, as
-defined in the Apache-2.0 license, shall be dual licensed as above, without any
+defined in the Apache-2.0 license, shall be dual-licensed as above, without any
 additional terms or conditions.

LICENSE.mit → LICENSE-MIT

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2013 Hynek Schlawack
+Copyright (c) 2013 Hynek Schlawack and the structlog contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

NOTICE

@@ -0,0 +1,2 @@
+structlog
+Copyright 2013 Hynek Schlawack and the structlog contributors

docs/license.rst

@@ -12,8 +12,8 @@ For more legal details, see `this issue <https://github.com/pyca/cryptography/is
 
 The full license texts can be also found in the source code repository:
 
-- `Apache License 2.0 <https://github.com/hynek/structlog/blob/main/LICENSE.apache2>`_
-- `MIT <https://github.com/hynek/structlog/blob/main/LICENSE.mit>`_
+- `Apache License 2.0 <https://github.com/hynek/structlog/blob/main/LICENSE-APACHE>`_
+- `MIT <https://github.com/hynek/structlog/blob/main/LICENSE-MIT>`_
 
 .. _authors:
 

pyproject.toml

@@ -11,7 +11,7 @@ authors = [{name = "Hynek Schlawack", email = "hs@ox.cx"}]
 dynamic = ["version", "description"]
 requires-python = ">=3.7"
 dependencies = ["typing-extensions; python_version<'3.8'"]
-license = { file = "LICENSE" }
+license = { file = "COPYRIGHT" }
 keywords = ["logging", "structured", "structure", "log"]
 classifiers = [
     "Development Status :: 5 - Production/Stable",
@@ -25,6 +25,7 @@ classifiers = [
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Python :: Implementation :: PyPy",
     "Programming Language :: Python",
@@ -47,7 +48,8 @@ include = [
     ".readthedocs.yml",
     "*.ini",
     "*.rst",
-    "LICENSE.*",
+    "COPYRIGHT",
+    "LICENSE*",
     "docs",
     "tests",
     ".github",