[windows] - Fix permissions for GetProcessMemoryInfo (#185)

As per https://learn.microsoft.com/en-us/windows/win32/api/psapi/nf-psapi-getprocessmemoryinfo,
GetProcessMemoryInfo doesn't need PROCESS_VM_READ. Hence, remove
it and only use PROCESS_QUERY_LIMITED_INFORMATION.

Relates: elastic/beats#41407

sigar_windows.go

@@ -287,7 +287,7 @@ func getProcCredName(pid int) (string, error) {
 }
 
 func (self *ProcMem) Get(pid int) error {
-	handle, err := syscall.OpenProcess(processQueryLimitedInfoAccess|windows.PROCESS_VM_READ, false, uint32(pid))
+	handle, err := syscall.OpenProcess(processQueryLimitedInfoAccess, false, uint32(pid))
 	if err != nil {
 		return errors.Wrapf(err, "OpenProcess failed for pid=%v", pid)
 	}