WIP: expr parser parity

[ChristopherHX]

Currently the expression parser is a bit to far away from githubs one this breaks my github-act-runner program.
This PR will

• reject some js only syntax.
• format will throw js exceptions on errors
• fromjson will parse non object types like arrays, numbers, strings
• secrets will work in more complex expressions, with toUpperCase in brackets
• allow to use the .*. syntax of github actions, will be rewritten via map

Resolves #718

Well might be really stale now

[mergify]

@ChristopherHX this pull request has failed checks 🛠

[codecov]

Codecov Report

Merging #792 (85880a8) into master (0f04942) will increase coverage by 6.67%.
The diff coverage is 60.94%.

@@            Coverage Diff             @@
##           master     #792      +/-   ##
==========================================
+ Coverage   49.27%   55.94%   +6.67%     
==========================================
  Files          23       23              
  Lines        2401     3875    +1474     
==========================================
+ Hits         1183     2168     +985     
- Misses       1090     1515     +425     
- Partials      128      192      +64     

Impacted Files	Coverage Δ
pkg/container/docker_run.go	5.63% <16.16%> (+3.70%)	⬆️
pkg/common/git.go	49.82% <31.81%> (-9.97%)	⬇️
pkg/model/planner.go	49.78% <42.50%> (+16.70%)	⬆️
pkg/container/docker_build.go	59.72% <50.00%> (+59.72%)	⬆️
pkg/runner/expression.go	73.25% <59.45%> (-13.39%)	⬇️
pkg/model/workflow.go	52.14% <63.63%> (+26.42%)	⬆️
pkg/container/docker_pull.go	36.36% <64.00%> (+18.18%)	⬆️
pkg/runner/runner.go	74.46% <70.37%> (-2.01%)	⬇️
pkg/runner/step_context.go	78.57% <77.06%> (+9.62%)	⬆️
pkg/runner/run_context.go	83.54% <91.17%> (+7.14%)	⬆️
... and 25 more

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[github-actions]

PR is stale and will be closed in 14 days unless there is new activity