use https instead of git for mustache submodule

drakeapps · jaylinski · commit a9fe6d5a03cb · 2022-03-19T19:13:23.000+01:00
diff --git a/.gitmodules b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "spec/mustache"]
 	path = spec/mustache
-	url = git://github.com/mustache/spec.git
+	url = https://github.com/mustache/spec.git
