Bad request - lovetoknow/slackify-markdown-action@v1 is not allowed to be used in hyperledger/besu-docs. Actions in this workflow must be: within a repository that belongs to your Enterprise account, created by GitHub, or matching the following: gaurav-nelson/github-action-markdown-link-check@v1, philips-labs/github-action-repolinter@2d7dc7e43a8d8d52db80b010434df2b8388b5817, peaceiris/actions-gh-pages@068dc23d9710f1ba62e86896f84735d869951305, peaceiris/actions-gh-pages@v3, tim-actions/get-pr-commits@198af03565609bb4ed924d1260247b4881f09e7d, tim-actions/dco@f2279e6e62d5a7d9115b0cb8e837b777b1b02e21, consensys/docs-gha/build@main, consensys/docs-gha/lint@main, consensys/docs-gha/linkcheck@main, rtcamp/action-slack-notify@v2.

ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636