Bump quarto-dev/quarto-actions from 2.1.7 to 2.1.9 (#270)

Bumps [quarto-dev/quarto-actions](https://github.com/quarto-dev/quarto-actions) from 2.1.7 to 2.1.9.
- [Release notes](https://github.com/quarto-dev/quarto-actions/releases)
- [Commits](quarto-dev/quarto-actions@8776aaf...9e48da2)

---
updated-dependencies:
- dependency-name: quarto-dev/quarto-actions
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/CI.yml

@@ -95,7 +95,7 @@ jobs:
         if: matrix.os == 'ubuntu-latest' && matrix.version == '1.6'
 
       # TODO: use quarto_jll for integration tests once modern enough versions are available
-      - uses: quarto-dev/quarto-actions/setup@8776aaf3ebefdda84c7654715823a205d047802a # v2.1.7
+      - uses: quarto-dev/quarto-actions/setup@9e48da27e184aa238fcb49f5db75469626d43adb # v2.1.9
         with:
           version: pre-release