v3.0.0

use github api to fetch the contribution calendar (instead of parsing the html page)

⚠️ breaking changes

• the action now requires a github token.

      - name: generate-snake-game-from-github-contribution-grid
        id: generate-snake
        uses: ./svg-only
        with:
          github_user_name:  ${{ github.repository_owner }}
          outputs: |
            dist/github-contribution-grid-snake.svg
            dist/github-contribution-grid-snake-dark.svg?palette=github-dark
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}