feat(grpc): gzip compressor/decompressor

[rustatian]

Reason for This PR

closes: #191

Description of Changes

• Add gzip compressor/decompressor
• Update tests

License Acceptance

By submitting this pull request, I confirm that my contribution is made under the terms of the MIT license.

PR Checklist

[Author TODO: Meet these criteria.] [Reviewer TODO: Verify that these criteria are met. Request changes if not]

• [x] All commits in this PR are signed (git commit -s).
• [x] The reason for this PR is clearly provided (issue no. or explanation).
• [x] The description of changes is clear and encompassing.
• [x] Any required documentation changes (code and docs) are included in this PR.
• [x] Any user-facing changes are mentioned in CHANGELOG.md.
• [x] All added/changed functionality is tested.

[codecov[bot]]

Codecov Report

Merging #195 (e7d1af3) into master (59899c7) will increase coverage by 0.03%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #195      +/-   ##
==========================================
+ Coverage   68.38%   68.41%   +0.03%     
==========================================
  Files         141      141              
  Lines       10756    10756              
==========================================
+ Hits         7355     7359       +4     
+ Misses       2631     2629       -2     
+ Partials      770      768       -2     

Impacted Files	Coverage Δ
grpc/plugin.go	58.18% <ø> (ø)
beanstalk/beanstalkjobs/item.go	73.97% <0.00%> (-2.74%)	:arrow_down:
sqs/sqsjobs/item.go	65.78% <0.00%> (-1.32%)	:arrow_down:
amqp/amqpjobs/item.go	74.65% <0.00%> (+1.36%)	:arrow_up:
tcp/handler/handler.go	57.43% <0.00%> (+4.05%)	:arrow_up:

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