Prepare 8.0.4-4 release.

debian/changelog

-python-slugify (8.0.4-4) UNRELEASED; urgency=medium
+python-slugify (8.0.4-4) unstable; urgency=medium
 
+  * Upload to unstable now that auotpkgtests function correctly.
   * Remove debian/patches, applied upstream.
   * debian/control:
     - Replace Depends on 'python3-unidecode (>=1.1.1)'
@@ -22,6 +23,7 @@ python-slugify (8.0.4-4) UNRELEASED; urgency=medium
     module target.
   * Add debian/slugify.docs and debian/python3-slugify.docs to
     include upstream's README.
+
  -- Arian Ott <arian.ott@ieee.org>  Wed, 28 May 2025 08:20:13 +0100
 
 python-slugify (8.0.4-3) experimental; urgency=medium

debian/rules

 #!/usr/bin/make -f
+
 # Copy the tests to the build directory.
 export PYBUILD_BEFORE_TEST=cp {dir}/test.py {build_dir}
 
@@ -11,4 +12,3 @@ export PYBUILD_AFTER_TEST=rm {build_dir}/test.py
 
 %:
 	dh $@  --buildsystem=pybuild
-