chore(deps): update dependency catppuccin/gtk to v0.7.0 (#116)

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This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [catppuccin/gtk](https://togithub.com/catppuccin/gtk) | minor |
`v0.6.2` -> `v0.7.0` |

---

### Release Notes

<details>
<summary>catppuccin/gtk (catppuccin/gtk)</summary>

###
[`v0.7.0`](https://togithub.com/catppuccin/gtk/compare/v0.6.2...v0.7.0)

[Compare
Source](https://togithub.com/catppuccin/gtk/compare/v0.6.2...v0.7.0)

</details>

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home/.chezmoiscripts/run_once_after_40_catppuccin.sh.tmpl

@@ -76,7 +76,7 @@ gtk_themes=(
 gtk_themes_dir="${HOME}/.themes"
 
 # renovate: depName=catppuccin/gtk datasource=github-releases
-gtk_version=v0.6.2
+gtk_version=v0.7.0
 gtk_version_existing=""
 gtk_version_file="${gtk_themes_dir}/.catppuccin_gtk_version"