installation: Update networkcache client syntax.

installation/30install-image.sh

@@ -48,7 +48,7 @@ RELATIVE_EFI_IMAGE_DIR=EFI/Linux
 
 # NETWORKCACHE DOWNLOADING METHOD
 tmp_image_name=image_tmp.efi
-networkcache-download --config ../tls-access-to-shacache/test.cfg --id river timestamp:max > "$tmp_image_name"
+networkcache-download --config ../tls-access-to-shacache/test.cfg --key river "timestamp<<Infinity" > "$tmp_image_name"
 image_hash=$(sha512sum "$tmp_image_name" | cut -d' ' -f1)
 mv "$tmp_image_name" "$image_hash"
 echo image_hash = "$image_hash"