### Bug description

Can't retrieve author name using meta shortcode `{{< meta author >}}` as discussed in https://github.com/quarto-dev/quarto-cli/issues/1391#issuecomment-1185384785
````
---
title: "My title"
author: "Mickaël Canouil"
date: last-modified
format: html
self-contained: true
---

{{< meta title >}}
{{< meta author >}}
{{< meta author.name >}}
{{< meta date >}}
````

<img width="1624" alt="image" src="https://user-images.githubusercontent.com/8896044/179202138-a9ffc243-1d5f-4b33-9cc6-e244735ee217.png">

Code: https://github.com/mcanouil/quarto-issues/tree/main/quarto-cli-1406

### `quarto check` Output

```bash
[✓] Checking Quarto installation......OK
      Version: 1.0.20
      Path: /Applications/quarto/bin

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

[✓] Checking Python 3 installation....OK
      Version: 3.10.5
      Path: /opt/homebrew/opt/python@3.10/bin/python3.10
      Jupyter: (None)

      Jupyter is not available in this Python installation.
      Install with python3 -m pip install jupyter

(-) Checking R installation...........ℹ R version 4.2.1 (2022-06-23)
! Config '~/.Rprofile' was loaded!
[✓] Checking R installation...........OK
      Version: 4.2.1
      Path: /Library/Frameworks/R.framework/Resources
      LibPaths:
        - /Library/Frameworks/R.framework/Versions/4.2-arm64/Resources/library
      rmarkdown: 2.14

[✓] Checking Knitr engine render......OK
```

### `quarto tools check` Output

```bash
[✓] Inspecting tools

Tool         Status            Installed     Latest  
chromium     Not installed     ---           869685  
tinytex      Not installed     ---           v2022.07
```
2022-07-15T10:07:23Z
mcanouil
bug
closed
Can't retrieve author name using meta shortcode `{{< meta author >}}`
https://github.com/quarto-dev/quarto-cli/issues/1406