Upgrade dependencies; allow older libraries that worked in setup.py

.github/workflows/pytest.yml

@@ -9,6 +9,7 @@ jobs:
     strategy:
       matrix:
         python-version: ['3.8', '3.9', '3.10', '3.11']
+        pyqt-version: ['6.4.0', '6.6.0']
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python
@@ -23,6 +24,7 @@ jobs:
           python -m pip install --upgrade pip
           pip install .
           pip install -r requirements/test.txt
+          pip install pyQt6==${{ matrix.pyqt-version }} pyQt6-Qt6==${{ matrix.pyqt-version }} --upgrade
       - name: Run Unittests with pytest
         run: |
           xvfb-run --auto-servernum --server-num=1 --server-args="-screen 1 1920x1200x24 -ac +extension GLX" pytest --cov --cov-report=xml

requirements/build.txt

@@ -1,3 +1,3 @@
 # For the test action on github
 
-pyinstaller==6.2.0
+pyinstaller==6.3.0

setup.py

@@ -9,10 +9,10 @@ setup(
     license='LICENSE',
     description='A simple reference image viewer',
     install_requires=[
-        'pyQt6==6.6.0',
-        'pyQt6-Qt6==6.6.0',
-        'rectangle-packer==2.0.2',
-        'exif==1.6.0',
+        'pyQt6>=6.4.0,<=6.6.1',
+        'pyQt6-Qt6>=6.4.0,<=6.6.1',
+        'rectangle-packer>=2.0.1,<=2.0.2',
+        'exif>=1.3.5,<=1.6.0',
     ],
     packages=[
         'beeref',