update gh actions, fix codecov hopefully

v4 of codecov action should allow for forks to work better.  Also make it not fail CI just to be sure

.github/workflows/main.yml

@@ -39,7 +39,7 @@ jobs:
  # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
  - uses: actions/checkout@v4
 
- - uses: actions/setup-python@v4
+ - uses: actions/setup-python@v5
  with:
  python-version: ${{ matrix.python-version }}
  allow-prereleases: true
@@ -55,9 +55,9 @@ jobs:
  run: tox --skip-missing-interpreters false -e py`echo ${{ matrix.python-version }} | sed s/\\\.// | sed s/pypy/py/ | sed s/-dev//`
 
  - name: Upload coverage to Codecov
- uses: codecov/codecov-action@v3
+ uses: codecov/codecov-action@v4
  with:
- fail_ci_if_error: true
+ fail_ci_if_error: false
  flags: tests-${{ matrix.python-version }}
  name: codecov-umbrella
  verbose: true