fix tox compatibility for docs build

Issue: ZENKO-4975

Author: benzekrimaha

docs/pyproject.toml

@@ -0,0 +1,6 @@
+[build-system]
+requires = ["setuptools>=61", "wheel", "setuptools_scm>=8.0.0"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools_scm]
+# Empty section to satisfy setuptools_scm

docs/tox.ini

@@ -19,11 +19,16 @@ description = Render documentation
 skip_install = true
 deps =
 #     {[testenv]deps}
-    -r{toxinidir}/docsource/requirements.txt
 commands =
+    pip install --upgrade pip
+    pip install setuptools==64.0.0
+    pip install -r{toxinidir}/docsource/requirements.txt
+    pip list
     make -C docsource {posargs:html}
 setenv =
     O=-j4 -n -W
     SPHINXOPTS=-j4 -n -W
 whitelist_externals =
     make
+    pip
+