👷Add Sebastian to authors list (long overdue)

and update setup.cfg to list py311 and py312 as supported.

docs/source/conf.py

@@ -20,7 +20,7 @@
 
 # -- Project information -----------------------------------------------------
 
-authors = ("Joern Weissenborn", "Joris Snellenburg", "Ivo van Stokkum")
+authors = ("Joern Weissenborn", "Joris Snellenburg", "Sebastian Weigand", "Ivo van Stokkum")
 
 project = "pyglotaran"
 title = f"{project} Documentation"

setup.cfg

@@ -5,8 +5,8 @@ description = The Glotaran fitting engine.
 long_description = file: README.md
 long_description_content_type = text/markdown
 url = https://github.com/glotaran/pyglotaran
-author = Joern Weissenborn, Joris Snellenburg, Ivo van Stokkum
-author_email = joern.weissenborn@gmail.com, j.snellenburg@gmail.com, i.h.m.van.stokkum@vu.nl
+author = Joern Weissenborn, Joris Snellenburg, Sebastian Weigand, Ivo van Stokkum
+author_email = joern.weissenborn@gmail.com, j.snellenburg@gmail.com, s.weigand.phy@gmail.com, i.h.m.van.stokkum@vu.nl
 license = LGPL-3.0
 license_files = LICENSE
 classifiers =
@@ -18,6 +18,8 @@ classifiers =
     Operating System :: OS Independent
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.10
+    Programming Language :: Python :: 3.11
+    Programming Language :: Python :: 3.12
     Topic :: Scientific/Engineering
     Topic :: Scientific/Engineering :: Chemistry
     Topic :: Scientific/Engineering :: Physics