Update versions in GitHub actions (#279)

.github/workflows/ci.yml

@@ -4,6 +4,10 @@ on:
  branches: [master]
  pull_request:
  types: [opened, synchronize, reopened]
+# needed to allow julia-actions/cache to delete old caches that it has created
+permissions:
+ actions: write
+ contents: read
 jobs:
  test:
  name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
@@ -36,6 +40,7 @@ jobs:
  - uses: julia-actions/julia-buildpkg@v1
  - uses: julia-actions/julia-runtest@v1
  - uses: julia-actions/julia-processcoverage@v1
- - uses: codecov/codecov-action@v3
+ - uses: codecov/codecov-action@v4
  with:
  file: lcov.info
+ token: ${{ secrets.CODECOV_TOKEN }}