feat: Update tox.ini to use poetry instead of twine for publishing

Removes the dependency on the plain-text .pypirc file that can introduce potential security vulnerabilities.

Signed-off-by: Jason C. Nucciarone <[email protected]>

tox.ini

@@ -1,16 +1,16 @@
-# Copyright 2023 Canonical Ltd.
+# Copyright 2024 Canonical Ltd.
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License version 3 as published by the Free Software Foundation.
 #
-#     http://www.apache.org/licenses/LICENSE-2.0
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# You should have received a copy of the GNU Lesser General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 [tox]
 skipsdist=True
@@ -60,14 +60,15 @@ commands =
     coverage report
 
 [testenv:publish]
-description = Publish slurmtools to PyPI.
+description = Publish slurmutils to PyPI using poetry.
 allowlist_externals =
     /usr/bin/rm
+    /usr/bin/poetry
 deps =
     twine
     setuptools
     wheel
 commands =
     rm -rf {toxinidir}/dist
-    python setup.py sdist bdist_wheel
-    twine upload {toxinidir}/dist/*
+    poetry build
+    poetry publish