[aggregator] Add aggregator to release binaries

[robskillington]

What this PR does / why we need it:

This adds the m3aggregator to the release binaries.

Special notes for your reviewer:

Does this PR introduce a user-facing and/or backwards incompatible change?:

NONE

Does this PR require updating code package or user-facing documentation?:

NONE

[arnikola]

LGTM

[codecov]

Codecov Report

Merging #1943 into master will decrease coverage by <.1%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master    #1943     +/-   ##
=========================================
- Coverage    63.4%    63.4%   -0.1%     
=========================================
  Files        1119     1119             
  Lines      105422   105422             
=========================================
- Hits        66940    66900     -40     
- Misses      34213    34238     +25     
- Partials     4269     4284     +15

Flag	Coverage Δ
#aggregator	79.7% <ø> (-0.1%)	⬇️
#cluster	56.3% <ø> (ø)	⬆️
#collector	63.7% <ø> (ø)	⬆️
#dbnode	64.8% <ø> (-0.1%)	⬇️
#m3em	59.6% <ø> (ø)	⬆️
#m3ninx	61.1% <ø> (-0.1%)	⬇️
#m3nsch	51.1% <ø> (ø)	⬆️
#metrics	17.7% <ø> (ø)	⬆️
#msg	74.7% <ø> (-0.2%)	⬇️
#query	68.2% <ø> (-0.1%)	⬇️
#x	75% <ø> (ø)	⬆️

---

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Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[codecov]

Codecov Report

Merging #1943 into master will decrease coverage by <.1%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master    #1943     +/-   ##
=========================================
- Coverage    63.4%    63.4%   -0.1%     
=========================================
  Files        1119     1119             
  Lines      105422   105422             
=========================================
- Hits        66940    66900     -40     
- Misses      34213    34238     +25     
- Partials     4269     4284     +15

Flag	Coverage Δ
#aggregator	79.7% <ø> (-0.1%)	⬇️
#cluster	56.3% <ø> (ø)	⬆️
#collector	63.7% <ø> (ø)	⬆️
#dbnode	64.8% <ø> (-0.1%)	⬇️
#m3em	59.6% <ø> (ø)	⬆️
#m3ninx	61.1% <ø> (-0.1%)	⬇️
#m3nsch	51.1% <ø> (ø)	⬆️
#metrics	17.7% <ø> (ø)	⬆️
#msg	74.7% <ø> (-0.2%)	⬇️
#query	68.2% <ø> (-0.1%)	⬇️
#x	75% <ø> (ø)	⬆️

---

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 d767c88...8ffd246. Read the comment docs.