Namespace pyproject-rpm-macros generated text files with %{python3_pkgversion}
That way, a single-spec can be used to build packages for multiple Python versions
Fixes: rhbz#2209055

Add the -l/-L flag to %pyproject_save_files
The -l flag can be used to assert at least 1 License-File was detected
The -L flag explicitly disables this check (which remains the default)
Prevent incorrect usage of %pyproject_buildrequires -R with -x/-e/-t
Fixes: rhbz#2244282
Show a better error message when %pyproject_install finds no wheel
Fixes: rhbz#2242452
Fix %pyproject_buildrequires -w when the build backend is already installed and pip isn't
Fixes: rhbz#2169855

Add %_pyproject_check_import_allow_no_modules for automated environments
Fix handling of tox 4 provision without an explicit tox minversion
Fixes: rhbz#2240590

Allow passing config_settings to the build backend.

On Python older than 3.11, use tomli instead of deprecated toml
Fix literal % handling in %{pyproject_files} on RPM 4.19

Rebuilt for ELN dependency changes

%pyproject_buildrequires: Add support for self-referential extras requirements
Deprecate the provisional %{pyproject_build_lib} macro
devel@lists.fedoraproject.org/thread/HMLOPAU3RZLXD4BOJHTIPKI3I4U6U7OE/

%pyproject_buildrequires: Redirect stdout to stderr via Shell
Dependencies are recorded to a text file that is catted at the end

Remove .dist-info directory at the end of %pyproject_buildrequires
An incomplete .dist-info directory in $PWD can confuse tests in %check

Improve detection of lang files

%pyproject_buildrequires: Avoid leaking stdout from subprocesses

Add pyproject-srpm-macros with a minimal %pyproject_buildrequires macro

Adjusts %pyproject_buildrequires tests for tox 4

Use %py3_test_envvars in %tox when available

%pyproject_check_import: Import only the modules whose top-level names