Refactor usages of `unsafe`

[rbtr]

There are usages of unsafe which could be made safe https://github.com/microsoft/retina/blob/078d15b3612dc2abacd77b01dc9e6413dd3dbb2a/pkg/utils/utils_linux.go#L41

may be refactored as

func htons(i uint16) uint16 {
  b := make([]byte, 2)
  binary.BigEndian.PutUint16(b, i)
  return binary.BigEndian.Uint16(b)
}

[Troy-Butler]

Hi, could you please assign this issue to me?

[vakalapa]

@Troy-Butler Assigned the issue to you.

[github-actions[bot]]

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