NOISSUE: fix_ci_runs_on_wrong_commit

[aalekseev-ru]

try to fix problem, when GHA running not on the latest commit. It causes here
https://github.com/insolar/assured-ledger/pull/568/checks?check_run_id=901992719
look at commit hashes in "checkout code" job and in left up corner

discussion where i take this solution
actions/checkout#299

I never done this before, so i hope I do it right

[bigbes]

Please, set the right name for PR and body of PR (it'll go to commit name and commit body respectively)

[ita-sammann]

This is not a solution. Running tests on a head instead of merge commit is no better than running it on any other wrong commit.

[codecov]

Codecov Report

Merging #573 into master will increase coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #573      +/-   ##
==========================================
+ Coverage   61.71%   61.75%   +0.04%     
==========================================
  Files         691      691              
  Lines       46995    46995              
==========================================
+ Hits        29001    29021      +20     
+ Misses      15833    15812      -21     
- Partials     2161     2162       +1     

Impacted Files	Coverage Δ
ledger-core/conveyor/smachine/slot_polling.go	83.67% <0.00%> (-6.13%)	⬇️
.../consensus/gcpv2/core/purgatory/realm_purgatory.go	74.04% <0.00%> (-3.82%)	⬇️
...twork/consensus/gcpv2/phasebundle/ph2ctl/phase2.go	68.94% <0.00%> (-2.29%)	⬇️
ledger-core/network/consensus/adapters/handlers.go	74.07% <0.00%> (-1.86%)	⬇️
ledger-core/network/utils.go	75.43% <0.00%> (-1.76%)	⬇️
ledger-core/ledger/server/lineage/line_staged.go	56.39% <0.00%> (-0.76%)	⬇️
...e/network/consensus/gcpv2/core/round_controller.go	68.00% <0.00%> (ø)
...-core/network/consensus/gcpv2/core/round_worker.go	62.43% <0.00%> (+1.05%)	⬆️
ledger-core/conveyor/smachine/context_basic.go	59.42% <0.00%> (+1.08%)	⬆️
...er-core/network/consensus/gcpv2/core/realm_prep.go	61.23% <0.00%> (+1.12%)	⬆️
... and 10 more

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[ita-sammann]

@aalekseev-ru, just a reminder: We separate words in branch names with hyphens, not underscores.

[aalekseev-ru]

we have a call and decided to discuss this with team, current solution has its own problems. The key to this problems hides in "head.sha" and "merge.sha" provided by github. @ita-sammann has few ideas how to solve it with side scrypts.

[ita-sammann]

It turns out that it's actually a good solution for us. Because we have a "require branch to be up to date" restriction on PRs.