import-debian-package: stop using a PosixPath object as context manager

This is no longer supported since Python 3.13 and leads to the following error:

Traceback (most recent call last):
  File "/builds/pkg/apertis-dev-tools/tests/import-debian-package/../../tools/import-debian-package", line 681, in <module>
    main(sys.argv)
    ~~~~^^^^^^^^^^
  File "/builds/pkg/apertis-dev-tools/tests/import-debian-package/../../tools/import-debian-package", line 666, in main
    do_import(args)
    ~~~~~~~~~^^^^^^
  File "/builds/pkg/apertis-dev-tools/tests/import-debian-package/../../tools/import-debian-package", line 396, in do_import
    with ensure_dir_or_none(args.cache_dir) or TemporaryDirectory() as downloaddir:
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
TypeError: 'PosixPath' object does not support the context manager protocol

Signed-off-by: Dylan Aïssi dylan.aissi@collabora.com

debian/changelog

+apertis-dev-tools (0.2026.1) apertis; urgency=medium
+
+  * import-debian-package: stop using a PosixPath object as context manager.
+    This is no longer supported since Python 3.13 and triggers an error.
+
+ -- Dylan Aïssi <dylan.aissi@collabora.com>  Tue, 25 Feb 2025 09:47:11 +0100
+
 apertis-dev-tools (0.2026.0) apertis; urgency=medium
 
   * apertis-pkg-merge-upstream-to-downstreams: