Only pull a single upstream commit

abrown · abrown · commit c4a512b552f9 · 2021-06-17T11:00:33.000-07:00
diff --git a/.gitmodules b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "crates/upstream"]
 	path = crates/openvino-sys/upstream
 	url = https://github.com/openvinotoolkit/openvino
+	depth = 1
