R packages correct the installation

Author: Joao Felipe Rocha

.github/workflows/run_tests.yml

@@ -51,7 +51,10 @@ jobs:
           libcurl4-openssl-dev ffmpeg libhdf5-dev libfribidi-dev libharfbuzz-dev \
           libxml2-dev libssl-dev \
           libfontconfig1-dev libfreetype6-dev
-          
+
+    - name: Install pkg-config
+      run: sudo apt-get update && sudo apt-get install -y pkg-config
+
     - name: Set up Python
       uses: actions/setup-python@v5
       with: