Merge branch 'main' of https://github.com/mipals/BlockDiagonalMatrices.jl

Author: mipals

.github/workflows/CI.yml

@@ -39,6 +39,6 @@ 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:
           files: lcov.info