test: fix Aqua stale deps test

Author: MilesCranmer

test/Aqua.jl

@@ -2,5 +2,9 @@
     # The unbound_args test fails on methods with signature like foo(::Type{Tuple{Vararg{V}}}) where V
     # Seems like a bug.
     import Aqua
-    Aqua.test_all(PythonCall, unbound_args = false)
+    Aqua.test_all(
+        PythonCall,
+        unbound_args = false,
+        stale_deps = (; ignore = [:REPL])
+    )
 end