gitmodule fetch clean up (#110)

* git submodule fetch clean up

* update=checkout instead of none

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Co-authored-by: Bradley Odell <[email protected]>

Author: rahulchaphalkar

.gitmodules

@@ -1,4 +1,6 @@
 [submodule "crates/upstream"]
 	path = crates/openvino-sys/upstream
 	url = https://github.com/openvinotoolkit/openvino
+	update = checkout
+	fetchRecurseSubmodules = false
 	shallow = true