Bump yihui/actions from 1.1.2 to 1.1.8 (#648)

Bumps [yihui/actions](https://github.com/yihui/actions) from 1.1.2 to 1.1.8.
- [Release notes](https://github.com/yihui/actions/releases)
- [Commits](yihui/actions@v1.1.2...v1.1.8)

---
updated-dependencies:
- dependency-name: yihui/actions
  dependency-version: 1.1.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/R-CMD-check.yaml

@@ -39,6 +39,6 @@ jobs:
           http-user-agent: ${{ matrix.config.http-user-agent }}
           use-public-rspm: true
 
-      - uses: yihui/actions/setup-r-dependencies@v1.1.2
+      - uses: yihui/actions/setup-r-dependencies@v1.1.8
 
-      - uses: yihui/actions/check-r-package@v1.1.2
+      - uses: yihui/actions/check-r-package@v1.1.8

.github/workflows/test-coverage.yaml

@@ -23,7 +23,7 @@ jobs:
         with:
           use-public-rspm: true
 
-      - uses: yihui/actions/setup-r-dependencies@v1.1.2
+      - uses: yihui/actions/setup-r-dependencies@v1.1.8
         with:
           extra-packages: covr xml2