Update Windows SHA2 precheck to look at KB4474419. (#966)
Update Windows SHA2 precheck to look at KB4474419. (#966)


GoogleCloudPlatform/compute-daisy,GoogleCloudPlatform/compute-image-tools,GoogleCloudPlatform/compute-image-tools,adjackura/compute-image-tools,zmarano/compute-image-tools,GoogleCloudPlatform/compute-image-import,zmarano/compute-image-tools,GoogleCloudPlatform/compute-image-import,GoogleCloudPlatform/compute-daisy,adjackura/compute-image-tools,GoogleCloudPlatform/compute-image-import,zmarano/compute-image-tools,adjackura/compute-image-tools,GoogleCloudPlatform/compute-image-tools