Add dev blog posts

[davekellam]

Spinning this out from an initial implementation in #1

so this should technically work fine, afics, just that one call out about race conditions, might be worth considering
Originally posted by @m-triassi in #1 (review)

Config that could potentially introduce a race condition (essentially a duplication of the first one)

  update-dev-blog:
    name: Update README with DEV blog posts
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: gautamkrishnar/blog-post-workflow@master
        with:
          feed_list: "https://dev.to/feed/plank"
          max_post_count: 5
          commit_message: "chore: updated README with latest DEV blog posts"
          comment_tag_name: "DEV"