Update node

[Westlad]

fixes #876
Updates node to v16.16 (latest lts) and npm to 8.17.

Use of node 8 enables vulnerable dependencies to be overridden with the overrides keyword in package.json. This is required to address a vulnerability in got; web3js depends on a vulnerable version.

[daveroga]

Having problems with swarm-js dependency in web3. Already known in web3 project and reported web3/web3.js#5315 but web3 still using this library with vulnerability in last version 1.7.5.

So I will leave this PR until we have a solution and will open a spike for figuring out the impact of moving web3 to ethers in these projects (#888) in the case web3 is not solving this vulnerability in new versions.

[israelboudoux]

We are still having issues regarding dependency vulnerabilities because a transient dependency web3 -> web3-bzz -> swarm-js that isn't maintained anymore and has a dep on a got vulnarable version. There is a pending PR in the swarm-js repo which would solve this, I've added a comment referring to the maintainers to see if they can merge it, but probably won't be enough since when @daveroga forced the update to the latest version of got for swarm-js, the Proposer started to fail.

[pawelgrzybek]

Looks like we have two very similar PRs.
#908

[Westlad]

Oh blast, I forgot I opened this before I went on leave. I'll close it as #908 is more current and has @pawelgrzybek 's suggestions incorporated.