Merge pull request #47 from fingolfin/mh/ci

CI: test against GAP 4.14, update Codecov action

Author: kamalsaleh

.github/workflows/CI.yml

@@ -28,6 +28,7 @@ jobs:
       matrix:
         gap-branch:
           - master
+          - stable-4.14
           - stable-4.13
           - stable-4.12
 
@@ -43,7 +44,7 @@ jobs:
       - uses: gap-actions/build-pkg@v1
       - uses: gap-actions/run-pkg-tests@v2
       - uses: gap-actions/process-coverage@v2
-      - uses: codecov/codecov-action@v4
+      - uses: codecov/codecov-action@v5
         with:
           token: ${{ secrets.CODECOV_TOKEN }}