Adding make target for darwin arm64

[chrislovecnm]

Adding the make target to build on the m1 mac.

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[chrislovecnm]

/assign @ankitm123

[tomhobson]

/ok-to-test /lgtm

[ankitm123]

wont build arm binary for mac though I think ... but still good to have the makefile target ... /lgtm

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ankitm123, tomhobson

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