Update Node version to 20

[naresh-gn]

Updated project to Node 20 as Node16 is deprecated.

Fixed few vulnerabilities by running npm audit fix

added 10 packages, removed 2 packages, changed 26 packages, and audited 596 packages in 4s

23 packages are looking for funding
  run `npm fund` for details

found 0 vulnerabilities

Updated git checkout to v4
Updated @type/node to 20.11.16

It requires major version tag as node20 requires minimum action runner version to be v2.308.0

[naresh-gn]

@cawfeecake addressed your feedback, anything else holding this PR?

[rjhill-bl]

👍

[rjhill-bl]

@mathieudutour @cawfeecake any blockers on this that we can resolve?

[joaovitor-cx]

@mathieudutour do you have plans of creating a new release with the changes included in this pr?

[mhemani-reach]

looks like it's part of v6.2
v6.1...v6.2

[mathieudutour]

Ah yeah forgot to do the actual release

[joaovitor]

Hi @mathieudutour,

Thanks for the tag v6.2 https://github.com/mathieudutour/github-tag-action/tree/v6.2 but I don't see the release v6.2 https://github.com/mathieudutour/github-tag-action/releases