build: simplify release task

per newer conventions

tasks.py

@@ -4,26 +4,11 @@ Tasks for WuttJamaican
 """
 
 import os
-import re
 import shutil
 
 from invoke import task
 
 
-here = os.path.abspath(os.path.dirname(__file__))
-__version__ = None
-pattern = re.compile(r'^version = "(\d+\.\d+\.\d+)"$')
-with open(os.path.join(here, 'pyproject.toml'), 'rt') as f:
-    for line in f:
-        line = line.rstrip('\n')
-        match = pattern.match(line)
-        if match:
-            __version__ = match.group(1)
-            break
-if not __version__:
-    raise RuntimeError("could not parse version!")
-
-
 @task
 def release(c, skip_tests=False):
     """
@@ -33,10 +18,11 @@ def release(c, skip_tests=False):
         c.run('pytest')
 
     # rebuild local tar.gz file for distribution
+    if os.path.exists('dist'):
+        shutil.rmtree('dist')
     if os.path.exists('WuttJamaican.egg-info'):
         shutil.rmtree('WuttJamaican.egg-info')
     c.run('python -m build --sdist')
 
     # upload to PyPI
-    filename = f'wuttjamaican-{__version__}.tar.gz'
-    c.run(f'twine upload dist/{filename}')
+    c.run('twine upload dist/*')