Allow detecting comments from other bots

[dkwon17]

Description

Currently, the GitHub action tries to update an existing badge comment:

only if it was created by the github-actions bot.

However, there are other cases where the comment is made by a different bot:

This PR checks for existing badge comments by any bot, instead of only the github-actions bot.

Related Issue(s)

N/A

Checklist

• This PR includes a documentation change
• This PR does not need a documentation change

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• This PR includes test changes
• This PR's changes are already tested

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• This change is not user-facing
• This change is a patch change
• This change is a minor change
• This change is a major (breaking) change

Changes made

• Action does not check if existing comment is made by the github-actions bot
• Update tests

Testing this PR

The comment updating can be tested by making a PR against this repo: https://github.com/dkwon17/my-repo
After making the PR, to test that existing functionality is not affected, update the PR branch, and verify that no new comment is added