### Motivation

This should be done before the branch-off, and can be done by anyone, as the steps are  reproducible and reviewable.

### Possible solution

Follow the documentation: https://github.com/bitcoin/bitcoin/blob/master/doc/release-process.md#before-branch-off

### Useful Skills

* Compiling Bitcoin Core from source
* Running the C++ unit tests and the Python functional tests
* ...


### Guidance for new contributors

Want to work on this issue?

For guidance on contributing, please read [CONTRIBUTING.md](https://github.com/bitcoin/bitcoin/blob/master/CONTRIBUTING.md) before opening your pull request.

public:
    explicit SigNetParams(const SigNetOptions& options)
    {
        std::vector<uint8_t> bin;
        vSeeds.clear();
        if (!options.challenge) {
            bin = ParseHex("512103ad5e0edad18cb1f0fc0d28a3d4f1f3e445640337489abb10404f2d1e086be430210359ef5021964fe22d6f8e05b2463c9540ce96883fe3b278760f048f5189f2e6c452ae");
            vSeeds.emplace_back("seed.signet.bitcoin.sprovoost.nl.");
            
            vSeeds.emplace_back("178.128.221.177");
            vSeeds.emplace_back("v7ajjeirttkbnt32wpy3c6w3emwnfr3fkla7hpxcfokr3ysd3kqtzmqd.onion:38333");
            consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000000000000001899d8142b0");