Drop support for Python 3.8

Also, start testing with Python 3.12

Author: ccordoba12

.github/workflows/linux-pip-tests.yml

@@ -26,7 +26,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        PYTHON_VERSION: ['3.8', '3.9', '3.10']
+        PYTHON_VERSION: ['3.9', '3.12']
     timeout-minutes: 20
     steps:
       - name: Checkout branch

.github/workflows/linux-tests.yml

@@ -26,7 +26,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        PYTHON_VERSION: ['3.8', '3.9', '3.10']
+        PYTHON_VERSION: ['3.9', '3.12']
     timeout-minutes: 20
     steps:
       - name: Checkout branch

.github/workflows/macos-tests.yml

@@ -26,7 +26,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        PYTHON_VERSION: ['3.8', '3.9', '3.10']
+        PYTHON_VERSION: ['3.9', '3.12']
     timeout-minutes: 25
     steps:
       - name: Checkout branch

.github/workflows/windows-tests.yml

@@ -26,7 +26,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        PYTHON_VERSION: ['3.8', '3.9', '3.10']
+        PYTHON_VERSION: ['3.9', '3.12']
     timeout-minutes: 25
     steps:
       - name: Checkout branch

setup.py

@@ -87,7 +87,7 @@ def get_version(module='spyder_kernels'):
     install_requires=REQUIREMENTS,
     extras_require={'test': TEST_REQUIREMENTS},
     include_package_data=True,
-    python_requires='>=3.8',
+    python_requires='>=3.9',
     classifiers=[
         'Development Status :: 5 - Production/Stable',
         'Framework :: Jupyter',