Add support for GHA services

[catthehacker]

Original PR: #638
Fixes #173

Changes:

• add support for services
• creates network linked between all containers
• fixes job context to include container and services contexts

To do:

• Add more testcases
• Multiple sanity checks that code doesn't look terrible
• Fix job context

[codecov]

Codecov Report

Merging #775 (453d1f0) into master (0f04942) will increase coverage by 7.07%.
The diff coverage is 59.90%.

❗ Current head 453d1f0 differs from pull request most recent head 90a47e9. Consider uploading reports for the commit 90a47e9 to get more accurate results

@@            Coverage Diff             @@
##           master     #775      +/-   ##
==========================================
+ Coverage   49.27%   56.34%   +7.07%     
==========================================
  Files          23       29       +6     
  Lines        2401     4316    +1915     
==========================================
+ Hits         1183     2432    +1249     
- Misses       1090     1677     +587     
- Partials      128      207      +79     

Impacted Files	Coverage Δ
pkg/common/executor.go	46.90% <0.00%> (+2.03%)	⬆️
pkg/common/job_error.go	0.00% <0.00%> (ø)
pkg/common/outbound_ip.go	0.00% <0.00%> (ø)
pkg/common/testflag.go	0.00% <0.00%> (ø)
pkg/container/docker_network.go	0.00% <0.00%> (ø)
pkg/container/docker_volume.go	0.00% <0.00%> (ø)
pkg/model/action.go	0.00% <ø> (ø)
pkg/container/docker_run.go	5.15% <9.24%> (+3.22%)	⬆️
pkg/common/git.go	49.82% <31.81%> (-9.97%)	⬇️
pkg/runner/logger.go	65.43% <37.50%> (+1.28%)	⬆️
... and 36 more

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[till]

Can you rebase this PR? 😀

[acorncom]

Is this or something like it likely to land or does it not have a future? Would love to use services in a new CD workflow I'm setting up ...

[KnisterPeter]

@acorncom I think a PR is more than welcome. But it is not the smallest topic 😉

[acorncom]

@KnisterPeter I gathered 😉 Afraid I probably can't help with it right now sadly ...

[catthehacker]

This PR is almost complete, the only thing missing is that it breaks after fixing job context