Remove armhf/armv7 support from faasd

See notes in: #364

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

vendor/github.com/Microsoft/hcsshim/osversion/platform_compat_windows.go

@@ -0,0 +1,35 @@
+package osversion
+
+// List of stable ABI compliant ltsc releases
+// Note: List must be sorted in ascending order
+var compatLTSCReleases = []uint16{
+	V21H2Server,
+}
+
+// CheckHostAndContainerCompat checks if given host and container
+// OS versions are compatible.
+// It includes support for stable ABI compliant versions as well.
+// Every release after WS 2022 will support the previous ltsc
+// container image. Stable ABI is in preview mode for windows 11 client.
+// Refer: https://learn.microsoft.com/en-us/virtualization/windowscontainers/deploy-containers/version-compatibility?tabs=windows-server-2022%2Cwindows-10#windows-server-host-os-compatibility
+func CheckHostAndContainerCompat(host, ctr OSVersion) bool {
+	// check major minor versions of host and guest
+	if host.MajorVersion != ctr.MajorVersion ||
+		host.MinorVersion != ctr.MinorVersion {
+		return false
+	}
+
+	// If host is < WS 2022, exact version match is required
+	if host.Build < V21H2Server {
+		return host.Build == ctr.Build
+	}
+
+	var supportedLtscRelease uint16
+	for i := len(compatLTSCReleases) - 1; i >= 0; i-- {
+		if host.Build >= compatLTSCReleases[i] {
+			supportedLtscRelease = compatLTSCReleases[i]
+			break
+		}
+	}
+	return ctr.Build >= supportedLtscRelease && ctr.Build <= host.Build
+}