Use stable tesseract ppa for build

.github/workflows/build.yml

@@ -50,9 +50,9 @@ jobs:
           python-version: ${{ matrix.python }}
 
       - name: Install Tesseract from PPA
-        if: matrix.tesseract_ppa
+        if: matrix.tesseract_ppa == 'ppa'
         run: |
-          sudo add-apt-repository -y ppa:alex-p/tesseract-ocr-devel
+          sudo add-apt-repository -y ppa:alex-p/tesseract-ocr5.3
 
       - name: Install common packages
         run: |
@@ -106,7 +106,6 @@ jobs:
           files: ./coverage.xml
           env_vars: OS,PYTHON
 
-
   test_macos:
     name: Test macOS
     runs-on: ${{ matrix.os }}