add buildtool kit for adot collector image

[khanhntd]

Description:

Eliminate docker load and docker save, instead using GitHub Action Build Push Action to support building adot collector image with build.

Link to tracking Issue:
#846

Testing:
Finding a way to test. Currently seeing https://github.com/nektos/act but another potential ways is to use dev branch.

Documentation:
Build Push Action: https://github.com/docker/build-push-action

[codecov-commenter]

Codecov Report

Merging #860 (24e3b26) into main (94d47a0) will increase coverage by 3.30%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #860      +/-   ##
==========================================
+ Coverage   50.38%   53.69%   +3.30%     
==========================================
  Files          11       12       +1     
  Lines         385      419      +34     
==========================================
+ Hits          194      225      +31     
- Misses        175      177       +2     
- Partials       16       17       +1     

Impacted Files	Coverage Δ
pkg/config/config_factory.go	100.00% <0.00%> (ø)
pkg/config/expand.go	89.28% <0.00%> (ø)
pkg/config/flags.go	85.71% <0.00%> (+2.38%)	⬆️

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[jefchien]

LGTM