Fix sphinx version

chdemko · chdemko · commit bdda6b3ea4cb · 2023-06-06T21:32:42.000+02:00
diff --git a/docs/requirements.txt b/docs/requirements.txt
@@ -1,4 +1,4 @@
-Sphinx>=7.0
+Sphinx>=6.0
 sphinx_rtd_theme>=1.2
 sphinxcontrib-phpdomain>=0.11
 m2r>=0.3
