style: Reduce post width on mobile - #17

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683, docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83, docker/login-action@184bdaa0721073962dff0199f1fb9940f07167d1, docker/metadata-action@c1e51972afc2121e065aed6d45c65596fe445f3f, docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435, docker/setup-qemu-action@c7c53464625b32c7a7e944ae62b3e17d2b600130. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/