release-combined: readd firefox-esr test
release-combined: readd firefox-esr test

It was added in PR #79786 (7a625e7) and then removed in commit 2de3caf
(apparently unintentionally as a rebase conflict).

_I think the ordering used by Eelco would sort the line this way._

NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs