chore: ignore asdf .tool-version and Visual Studio Code workspace files

[GitToTheHub]

Platforms affected

• All

Motivation and Context

• .tool-versions can be created for asdf to select for e.g. a specific ruby version
• *.code-workspace files can be created by Visual Studio Code, when the project is used in a workspace

Description

Testing

Checklist

• I've run the tests to see all new and existing tests pass
• I added automated test coverage as appropriate for this change
• Commit is prefixed with (platform) if this change only applies to one platform (e.g. (android))
• If this Pull Request resolves an issue, I linked to the issue in the text above (and used the correct keyword to close issues using keywords)
• I've updated the documentation if necessary