install tesseract5 in the CI pipeline

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

@@ -40,6 +40,13 @@ jobs:
           http-user-agent: ${{ matrix.config.http-user-agent }}
           use-public-rspm: true
 
+      - name: Install Tesseract 5
+        if: runner.os == 'Linux'
+        run: |
+          sudo add-apt-repository -y ppa:alex-p/tesseract-ocr5
+          sudo apt-get update
+          sudo apt-get install -y libtesseract-dev tesseract-ocr tesseract-ocr-eng
+
       - uses: r-lib/actions/setup-r-dependencies@v2
         with:
           extra-packages: rcmdcheck