update pyproject.toml with respect to PEP 639

Author: otvam

conda.yaml

@@ -26,7 +26,7 @@ dependencies:
   - pip=25.0.1
   - ruff=0.11.5
   - twine=6.1.0
-  - coverage=7.6.8
+  - coverage=7.8.0
   - setuptools_scm=8.2.1
   - sphinx_rtd_theme=3.0.1
   - sphinx=8.2.3

pyproject.toml

@@ -10,8 +10,8 @@
 [build-system]
 build-backend = "setuptools.build_meta"
 requires = [
-    "setuptools >= 75.5",
-    "setuptools_scm >= 8.1",
+    "setuptools >= 78.1",
+    "setuptools_scm >= 8.2",
     "wheel >= 0.45",
 ]
 
@@ -22,8 +22,9 @@ local_scheme = "no-local-version"
 
 [project]
 name = "pypeec"
+license = "MPL-2.0"
+license-files = ["LICENSE.txt"]
 description = "PyPEEC - 3D Quasi-Magnetostatic Solver"
-license = {text = "MPL-2.0"}
 authors = [{name = "Thomas Guillod", email = "guillod@otvam.ch"}]
 maintainers = [{name = "Thomas Guillod", email = "guillod@otvam.ch"}]
 keywords = [
@@ -46,7 +47,6 @@ classifiers = [
     "Intended Audience :: Education",
     "Intended Audience :: Science/Research",
     "Development Status :: 5 - Production/Stable",
-    "License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)",
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
     "Programming Language :: Unix Shell",
@@ -99,7 +99,6 @@ packages = [
     "pypeec.utils",
     "pypeec.data",
 ]
-license-files = ["LICENSE.txt"]
 include-package-data = true
 
 [tool.setuptools.package-data]