Merge pull request #10671 from titan73/master

etc: Use same protocol as the top git for yosys-slang (as done for OpenSTA and abc).

Author: osamahammad21

.gitmodules

@@ -6,4 +6,4 @@
 	url = ../../The-OpenROAD-Project/abc.git
 [submodule "third-party/slang-elab"]
 	path = third-party/slang-elab
-	url = https://github.com/povik/yosys-slang
+	url = ../../povik/yosys-slang.git