chore(deps-dev): bump changesets, eslint and typescript-eslint (#1901)

Applies dependabot #1898 (lockfile-only: @changesets/changelog-github 1.0.1,
@changesets/cli 3.0.2, eslint 10.10.0, typescript-eslint 8.70.0) plus the two
follow-ups its CI needed: the transitive esbuild 0.28.1 -> 0.28.2 bump in
allowBuilds, and the pnpmDeps hash in flake.nix computed by the Nix job.

Co-authored-by: Claude Opus 5 <noreply@anthropic.com>