Remove Python version 3.8 due to EOL so no longer need to test that version

Author: samer-hamood

.github/workflows/pythonpackage.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         include:
           - python-version: "3.11"
             use_pandas: 1
@@ -27,9 +27,6 @@ jobs:
           python-version: ${{ matrix.python-version }}
           cache: poetry
       - run: |
-          if [[ "${{matrix.python-version}}" == "3.8" ]]; then
-            sed -i -e 's/python = "^3.9.0"/python = "^3.8.0"/g' -e 's/pylint = "^3.3.3"/pylint = "^2.17.4"/g' pyproject.toml
-          fi
           if ! poetry install; then
             poetry lock
             poetry install