support py3.9 -> 3.12, refresh CI

Author: a-detiste

.github/workflows/main.yaml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        CONDA_ENV: [py38, py39, py310]
+        CONDA_ENV: [py39, py310, py311, py312]
     # env:
       # STREAMZ_LAUNCH_KAFKA: true
 
@@ -45,7 +45,7 @@ jobs:
 
       - name: coveralls
         shell: bash -l {0}
-        if: ${{ matrix.os == 'ubuntu-latest' &&  matrix.CONDA_ENV == 'py38' }}
+        if: ${{ matrix.os == 'ubuntu-latest' &&  matrix.CONDA_ENV == 'py312' }}
         run: coveralls
 
   lint:

setup.py

@@ -17,7 +17,7 @@
       license='BSD',
       keywords='streams',
       packages=packages + tests,
-      python_requires='>=3.8',
+      python_requires='>=3.9',
       long_description=(open('README.rst').read() if exists('README.rst')
                         else ''),
       install_requires=list(open('requirements.txt').read().strip().split('\n')),