### Bug description

I've been using Python on my website, but I recently added Julia too. On my CI, this works fine. On local MacOS, this fails due to an error shown with `quarto check` (shown below).

I have Julia 1.7 installed, and I've installed `IJulia`. My operating system is MacOs 12.5.

- Website Source: https://github.com/cadojo/aperiodic

### `quarto check` Output

```
➜ quarto check

[✓] Checking Quarto installation......OK
      Version: 1.0.38
      Path: /Applications/quarto/bin

[✓] Checking basic markdown render....OK

[✓] Checking Python 3 installation....OK
      Version: 3.10.6
      Path: /opt/homebrew/opt/python@3.10/bin/python3.10
      Jupyter: 4.11.1
      Kernels: julia-1.7

[✓] Checking Jupyter engine render....OK

ERROR: Invalid jupyter YAML metadata found in file (must be string or object)
```

### `quarto tools check` Output

```
quarto tools check
[✓] Inspecting tools

Tool         Status            Installed     Latest  
chromium     Not installed     ---           869685  
tinytex      Not installed     ---           v2022.08
```

### Checklist

- [X] [formatted your issue](https://yihui.org/issue/#please-format-your-issue-correctly) so it is easier for us to read?
- [x] included a minimal, fully reproducible example in a single .qmd file? Please provide the whole file rather than the snippet you believe is causing the issue.
- [X] documented the quarto version you're running, by pasting the output from running `quarto check` in the "Quarto Check Output" text area?
- [X] documented the version of the quarto tools you're running, by providing the output from running `quarto tools check` in the "Quarto Tools Check Output" text area?
- [x] documented the RStudio IDE version you're running (if applicable), by providing the value displayed in the "About RStudio" main menu dialog?
- [X] documented which operating system you're running? If on Linux, please provide the specific distribution as well.
- [x] upgraded to the latest version, including your versions of R, the RStudio IDE, and relevant R packages?
jjallaire
2022-08-14T19:32:53Z
cadojo
bug
v1.1
closed
Invalid (Julia) jupyter YAML data found in file
https://github.com/quarto-dev/quarto-cli/issues/1884