Update github.com/Microsoft/hcsshim to v0.8.10

Brings in a variety of changes, mostly to the containerd shim.

There is also a change to the Windows layer unpack code which fixes #4301.

Release link: https://github.com/microsoft/hcsshim/releases/tag/v0.8.10

Signed-off-by: Kevin Parsons <kevpar@microsoft.com>

vendor/github.com/Microsoft/hcsshim/internal/winapi/processor.go

@@ -0,0 +1,7 @@
+package winapi
+
+// Get count from all processor groups.
+// https://docs.microsoft.com/en-us/windows/win32/procthread/processor-groups
+const ALL_PROCESSOR_GROUPS = 0xFFFF
+
+//sys GetActiveProcessorCount(groupNumber uint16) (amount uint32) = kernel32.GetActiveProcessorCount