ci: use hyperledger-bot instead of atala-dev account [skip ci]

[yshyn-iohk]

Description:

Summarize the changes you're submitting in a few sentences, including Jira ticket ATL-xxxx if applicable.
Link to any discussion, related issues and bug reports to give the context to help the reviewer understand the PR.

Alternatives Considered (optional):

Link to existing ADR (Architecture Decision Record), if any. If relevant, describe other approaches explored and the selected approach. Documenting why the methods were not selected will create a knowledge base for future reference, helping prevent others from revisiting less optimal ideas.

Checklist:

• My PR follows the contribution guidelines of this project
• My PR is free of third-party dependencies that don't comply with the Allowlist
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• I have checked the PR title to follow the conventional commit specification

[amagyar-iohk]

lgtm