Pass check=False for an expected-fail command

tools/ci_fetch_deps.py

@@ -43,12 +43,12 @@ port_deps = {
 }
 
 
-def run(title, command):
+def run(title, command, check=True):
     print("::group::" + title, flush=True)
     print(command, flush=True)
     start = time.monotonic()
     try:
-        subprocess.run(shlex.split(command), stderr=subprocess.STDOUT, check=True)
+        subprocess.run(shlex.split(command), stderr=subprocess.STDOUT, check=check)
     finally:
         print("Duration:", time.monotonic() - start, flush=True)
         print("::endgroup::", flush=True)
@@ -108,7 +108,11 @@ if submodules:
     submodules = " ".join(submodules)
     # This line will fail because the submodule's need different commits than the tip of the branch. We
     # fix it later.
-    run("Init the submodules we'll need", f"git submodule update --init -N --depth 1 {submodules}")
+    run(
+        "Init the submodules we'll need",
+        f"git submodule update --init -N --depth 1 {submodules}",
+        check=False,
+    )
 
     run(
         "Fetch the submodule sha",