fixed typo in check for specific commit workflow

.github/workflows/check-specific-commit.yaml

@@ -35,4 +35,25 @@ jobs:
     - name: Set up R
       uses: r-lib/actions/setup-r@v2
       with:
-        r-version: ${{ matrix.config.r
+        r-version: ${{ matrix.config.r }}
+        http-user-agent: ${{ matrix.config.http-user-agent }}
+        use-public-rspm: true
+
+    - name: Install system dependencies (Linux)
+      if: runner.os == 'Linux'
+      run: sudo apt-get install -y libharfbuzz-dev libfribidi-dev libfreetype6-dev libcurl4-openssl-dev
+
+    - name: Cache R packages
+      uses: actions/cache@v3
+      with:
+        path: ${{ env.R_LIBS_USER }}
+        key: ${{ runner.os }}-r-${{ matrix.config.r }}-${{ hashFiles('**/DESCRIPTION') }}
+        restore-keys: |
+          ${{ runner.os }}-r-${{ matrix.config.r }}-
+          ${{ runner.os }}-r-
+
+    - name: Install R package dependencies
+      run: R -e "install.packages('devtools'); devtools::install_deps(dependencies = TRUE)"
+
+    - name: Run R CMD check
+      uses: r-lib/actions/check-r-package@v2