Drop python versions before 3.10 for security and type hint reasons

There are security implications with python version 3.7 and even
later ones and there is new type hint annotation functionality only
available on versions after Python 3.10 while the last release will
remain compatible with all previous versions for a while.

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: [3.7, 3.8, 3.9, 3.10.8, 3.11, 3.12]
+        python-version: [3.10.8, 3.11, 3.12]
         install_variant: ["pip"]
         include:
         - python-version: 3.10.8
@@ -74,7 +74,6 @@ jobs:
           sleep 3
       - name: Run current semi-isolation semi-integration tests (to be separated in the future)
         run: |
-          if [[ ${{ matrix.python-version }} == '3.9' ]]; then export DISABLE_AUTOPY=1; fi
           if [[ ${{ matrix.python-version }} == '3.10.8' ]]; then export DISABLE_AUTOPY=1; fi
           if [[ ${{ matrix.python-version }} == '3.11' ]]; then export DISABLE_AUTOPY=1; fi
           if [[ ${{ matrix.python-version }} == '3.12' ]]; then export DISABLE_AUTOPY=1; fi

packaging/pip_requirements.txt

@@ -1,5 +1,5 @@
 # minimal
-Pillow==9.3.0; python_version >= '3.7' and python_version < '3.12'
+Pillow==9.3.0; python_version < '3.12'
 Pillow==10.3.0; python_version >= '3.12'
 
 # backends
@@ -8,10 +8,8 @@ autopy==4.0.0; python_version <= '3.8' and platform_python_implementation != "Py
 pytesseract==0.3.4; sys_platform != 'win32'
 tesserocr==2.5.1; sys_platform != 'win32'
 opencv-contrib-python==4.5.5.62; platform_python_implementation != "PyPy"
-torch==1.13.0; python_version == '3.7'
-torchvision==0.14.0; python_version == '3.7'
-torch==2.2.0; python_version != '3.7' and 'generic' not in platform_release and platform_python_implementation != "PyPy"
-torchvision==0.17.0 ; python_version != '3.7' and 'generic' not in platform_release and platform_python_implementation != "PyPy"
+torch==2.2.0; 'generic' not in platform_release and platform_python_implementation != "PyPy"
+torchvision==0.17.0 ; 'generic' not in platform_release and platform_python_implementation != "PyPy"
 vncdotool==0.12.0; sys_platform != 'win32' and platform_python_implementation != "PyPy"
 pyautogui==0.9.53; platform_python_implementation != "PyPy"
 # NOTE: These decared version of Pillow has issues with the latest Pyscreeze 0.1.30 thus there is a restrain on Pyscreeze installation

packaging/pip_requirements_minimal.txt

@@ -1,3 +1,3 @@
 # minimal
-Pillow==9.3.0; python_version >= '3.7' and python_version < '3.12'
+Pillow==9.3.0; python_version < '3.12'
 Pillow==10.3.0; python_version >= '3.12'