update to ssh url

.gitmodules

@@ -1,4 +1,4 @@
 [submodule "submodule-level-1"]
 	path = submodule-level-1
-	url = ./
-	branch = test-data/v2/submodule-level-1
+	url = git@github.com:actions/checkout.git
+	branch = test-data/v2/submodule-ssh-url-level-1

submodule-level-1

@@ -1 +1 @@
-Subproject commit 4b38027b4a366b8506eb90cfdc99c8208d3231c9
+Subproject commit fdabad6f0e41e3685419b2777b40e55536df8f4d