Fixes CI: removes broken coverage, py3.8; addes py3.12

.github/workflows/continuous_integration.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"] 
+ python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"] 
  defaults:
  run:
  shell: bash -l {0}
@@ -42,13 +42,6 @@ jobs:
  - name: Test Python Package
  run: |
  pytest plio --cov-report=xml
- - name: Upload Coverage
- uses: codecov/codecov-action@v1
- with:
- token: ${{ secrets.CODECOV_TOKEN }}
- fail_ci_if_error: true
- verbose: true
- if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.8'
 
  Build-Docs:
  runs-on: ubuntu-latest