Neofs testcases workflow. Fixes #254

[MaxGelbakhiani]

Workflow for neofs-testcases.

Before merging the PR we'll need to add TEST_RESULTS_CID variable to GH and the secrets.

[codecov]

Codecov Report

Merging #279 (11797ce) into master (8cd4fff) will not change coverage.
Report is 3 commits behind head on master.
The diff coverage is n/a.

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  Lines        1384     1384           
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  Misses        868      868           
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[vvarg229]

https://github.com/nspcc-dev/neofs-http-gw/actions/runs/6277027149/job/17047962671?pr=279

[MaxGelbakhiani]

https://github.com/nspcc-dev/neofs-http-gw/actions/runs/6277027149/job/17047962671?pr=279

Fixed. Shifted the string:
echo "$(pwd)" >> $GITHUB_PATH
a few steps earlier

[vvarg229]

Cmd: NEOFS_CLI_PASSWORD=*** neofs-cli --rpc-endpoint st1.storage.fs.neo.org:8080 --wallet wallet.json object put --cid _ --timeout 600s --expire-at 18511 --file /home/runner/work/neofs-http-gw/neofs-http-gw/neofs-testcases/combine/complete.html --attributes RunNumber=7-1695717445,FilePath=7-1695717445/index.html

--cid _
Instead of the "_" character there should be a valid CID, for example "HXSaMJXk2g8C14ht8HSi7BBaiYZ1HeWh2xnWPGQCg4H6".
This must be changed in the project settings

[MaxGelbakhiani]

That's a task for @roman-khimov to add a valid container and wallet for MainNet before merging the PR.

fixed