Drop support for Python 3.8 (#564)

.github/workflows/ci.yaml

@@ -24,7 +24,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.8', '3.9', '3.10']
+        python-version: ['3.9', '3.10', '3.11']
     steps:
       - uses: actions/checkout@v3
         with:
@@ -77,7 +77,7 @@ jobs:
           micromamba-version: 'latest'
           environment-file: ci/environment-upstream-dev.yml
           extra-specs: |
-            python=3.10
+            python=3.11
 
       - name: Install intake-esm
         run: |

ci/environment-docs.yml

@@ -15,7 +15,7 @@ dependencies:
   - pip
   - pydantic>=1.9
   - python-graphviz
-  - python=3.10
+  - python=3.11
   - s3fs >=2022.11.0
   - sphinx
   - sphinx-copybutton

setup.py

@@ -24,9 +24,9 @@
     'Intended Audience :: Science/Research',
     'Programming Language :: Python',
     'Programming Language :: Python :: 3',
-    'Programming Language :: Python :: 3.8',
     'Programming Language :: Python :: 3.9',
     'Programming Language :: Python :: 3.10',
+    'Programming Language :: Python :: 3.11',
     'Topic :: Scientific/Engineering',
 ]
 
@@ -35,7 +35,7 @@
     description='An intake plugin for parsing an Earth System Model (ESM) catalog and loading netCDF files and/or Zarr stores into Xarray datasets.',
     long_description=long_description,
     long_description_content_type='text/markdown',
-    python_requires='>=3.8',
+    python_requires='>=3.9',
     maintainer='NCAR XDev Team',
     maintainer_email='[email protected]',
     classifiers=CLASSIFIERS,