Update .gitmodules

Co-authored-by: Urgau <3616612+Urgau@users.noreply.github.com>

Author: ZuseZ4

.gitmodules

@@ -49,5 +49,5 @@
 	shallow = true
 [submodule "src/tools/enzyme"]
 	path = src/tools/enzyme
-	url = git@github.com:EnzymeAD/Enzyme.git
+	url = https://github.com/EnzymeAD/Enzyme.git
 	shallow = true