EES-574 Ignore freebsd/arm64 build as it can not be done

[vgarvardt]

Adding to ignore because of

   ⨯ release failed after 369.34s error=failed to build for freebsd_arm64: # golang.org/x/sys/unix
../../../go/pkg/mod/golang.org/x/sys@v0.0.0-20190825160603-fb81701db80f/unix/ztypes_freebsd_arm64.go:400:12: undefined: uint128

All other builds seems yo be working, at least locally.

[codecov[bot]]

Codecov Report

Merging #450 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #450   +/-   ##
=======================================
  Coverage   45.14%   45.14%           
=======================================
  Files          77       77           
  Lines        2700     2700           
=======================================
  Hits         1219     1219           
  Misses       1402     1402           
  Partials       79       79           

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update 471c64d...bea0c97. Read the comment docs.

[s4nji]

+1