Remove nose from tox.ini + add py312

tox.ini

 [tox]
-envlist=py37, py38, py39, py310, py311
+envlist=py37, py38, py39, py310, py311, py312
 skip_missing_interpreters = true
 
 [pycodestyle]
@@ -12,12 +12,13 @@ max-line-length=100
 setenv = PASSWORD_STORE_DIR = {env:HOME}/.password-store
 passenv = PYCAOSDBINI
 deps=pytest
-    nose
     pytest-cov
     python-dateutil
+    setuptools
+    jsonschema
 commands_pre=pip install ../caosdb-pylib/
     python --version
-    python -c "import caosdb; print(caosdb.version.version)"
+    python -c "import linkahead; print(linkahead.version.version)"
 # Add "-x" to stop at first error.
 commands=pytest --cov=caosdb -vv {posargs}