bump plotly to 6.0 (<7)

Author: masenf

pyproject.toml

@@ -134,7 +134,7 @@ dev = [
   "pandas >=2.1.1,<3.0",
   "pillow >=10.0.0,<12.0",
   "playwright >=1.46.0",
-  "plotly >=5.13.0,<6.0",
+  "plotly >=5.13.0,<7.0",
   "pre-commit >=3.2.1",
   "pyright >=1.1.394,<1.2",
   "pytest >=7.1.2,<9.0",