Bump Sphinx requirement upper bound to <7.0

n-peugnet · web-flow · commit da1060706d34 · 2023-04-05T14:14:18.000+02:00
Tested with Sphinx 5.3.0 and 6.1.3 with no issues (but on a small doc).
diff --git a/requirements.txt b/requirements.txt
@@ -1 +1 @@
-sphinx>=1.3, <5.0
+sphinx>=1.3, <7.0
