docs: ignore Scholarpedia link in Documenter linkcheck

Author: AayushSabharwal

docs/make.jl

@@ -31,7 +31,10 @@ makedocs(sitename = "ModelingToolkit.jl",
         mathengine,
         canonical = "https://docs.sciml.ai/ModelingToolkit/stable/",
         prettyurls = (get(ENV, "CI", nothing) == "true")),
-    pages = pages)
+    pages = pages,
+    # this link tends to fail linkcheck stochastically and often takes much longer to succeed
+    # even in the browser it takes ages
+    linkcheck_ignore = ["http://www.scholarpedia.org/article/Differential-algebraic_equations"])
 
 deploydocs(repo = "github.com/SciML/ModelingToolkit.jl.git";
     push_preview = true)