Merge pull request #116 from WIAS-PDELib/dependabot/github_actions/codecov/codecov-action-6

Bump codecov/codecov-action from 5 to 6

Author: pjaap

.github/workflows/ci.yml

@@ -53,7 +53,7 @@ jobs:
         env:
           JULIA_NUM_THREADS: 4
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v5
+      - uses: codecov/codecov-action@v6
   docs:
     name: Documentation
     runs-on: ubuntu-latest