build: shim-v2: Ensure MEASURED_ROOTFS is exported

The approach taken for now is to export MEASURED_ROOTFS=yes on the
workflow files for the architectures using confidential stuff, and leave
the "normal" build without having it set (to avoid any change of
expectation on the current bevahiour).

Signed-off-by: Fabiano Fidêncio <fabiano@fidencio.org>

tools/packaging/kata-deploy/local-build/kata-deploy-binaries.sh

@@ -821,6 +821,7 @@ install_shimv2() {
 
 	export GO_VERSION
 	export RUST_VERSION
+	export MEASURED_ROOTFS
 
 	DESTDIR="${destdir}" PREFIX="${prefix}" "${shimv2_builder}"
 }