Add github-handle for Bonnie Wolfe in guides-teams.md

### Prerequisite
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2. Before you claim or start working on an issue, please make sure you have read our [How to Contribute to Hack for LA Guide](https://github.com/hackforla/website/blob/7f0c132c96f71230b8935759e1f8711ccb340c0f/CONTRIBUTING.md).

### Overview
We need to create a single variable `github-handle` to hold the github handle for each member of the leadership team. Eventually `github-handle` will replace the `github` and `picture` variables, reducing redundancy in the project file.

### Action Items
- [x] Open the file `_projects/guides-team.md` in the IDE
- [x] Replace:
```
- name: Bonnie Wolfe
```
with
```
- name: Bonnie Wolfe
github-handle:
```
- [x] Do not use a tab to indent `github-handle`. YAML doesn't allow tabs; it requires spaces.
- [x] Using docker, confirm that the appearance of the project webpage is unchanged at all screen sizes. The project webpage URL can be found below under Resources.

### For Merge Team
- [x] Release the dependency for this issue in #5441. If all the dependencies have been completed, close that issue.

### Resources/Instructions
https://github.com/hackforla/website/wiki/project.md-file-template
https://jekyllrb.com/
For QA to validate change: https://github.com/hackforla/website/blob/gh-pages/_projects/guides-team.md?plain=1
Project Webpage: https://www.hackforla.org/projects/guides-team

- This issue is part of #5441.