Update test workflow to R 4.2.2

Author: cderv

.github/workflows/test-smokes.yml

@@ -29,7 +29,7 @@ jobs:
       - name: Set up R
         uses: r-lib/actions/setup-r@v2
         with:
-          r-version: "4.1.0"
+          r-version: "4.2.2"
 
       - name: Install node (for Playwright)
         uses: actions/setup-node@v3
@@ -53,11 +53,11 @@ jobs:
             ${{ runner.os }}-1-renv-
 
       - name: Restore packages
+        working-directory: tests
         run: |
-          pushd tests
-          Rscript -e "if (!requireNamespace('renv', quietly = TRUE)) install.packages('renv')"
-          Rscript -e "renv::restore()"
-          popd
+          if (!requireNamespace('renv', quietly = TRUE)) install.packages('renv')
+          renv::restore()
+        shell: Rscript {0}
 
       - name: Set up Python
         uses: actions/setup-python@v4