Merge pull request #128 from DOI-USGS/delete-3.8

Update ci.yml to remove python 3.8

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
       matrix:
        os: [ubuntu-latest, macos-latest]
-       python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]   
+       python-version: ["3.9", "3.10", "3.11", "3.12"]   
     defaults:
       run:
         shell: bash -l {0}
@@ -41,4 +41,4 @@ jobs:
           python setup.py install
       - name: Test Python Package
         run: |
-           pytest -n4
\ No newline at end of file
+           pytest -n4