set-output command is deprecated in GitHub Actions

[Vladislav0Art]

Describe the bug
For the action "Prepare Plugin Artifact", the github action pipeline outpost the following warning:

Run cd /home/runner/work/TestSpark/TestSpark/build/distributions
  cd /home/runner/work/TestSpark/TestSpark/build/distributions
  FILENAME=`ls *.zip`
  unzip "$FILENAME" -d content
  
  echo "::set-output name=filename::${FILENAME:0:-4}"
  shell: /usr/bin/bash --noprofile --norc -e -o pipefail {0}
  ...
Warning: The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-[10](https://github.com/JetBrains-Research/TestSpark/actions/runs/11177467993/job/31073016836?pr=362#step:11:10)-11-github-actions-deprecating-save-state-and-set-output-commands/

GitHub suggests to use a new API, information about which can be found here.

To Reproduce
Steps to reproduce the behavior:

1. Run the github action build;
2. See the log and you will find the warning.

Expected behavior
No warning should be outputted once we transition to the suggested API.

Screenshots

Solution
Follow the suggestion from the official doc and migrate the the new API: