Upgraded firecracker submodule. Orch repo test pass.

root · plamenmpetrov · commit 6e7cf79f7c1c · 2021-06-18T20:15:48.000+03:00
Signed-off-by: Plamen Petrov &lt;plamb0brt@gmail.com&gt;
diff --git a/_submodules/firecracker b/_submodules/firecracker
@@ -1 +1 @@
-Subproject commit fc2a7ed50e2c5c6df9572f54bcf2a1cc161dd321
+Subproject commit 57f4c7ca14a31c5536f188cacb669d2cad32b9ca
