DEVO-1057 - force to use Node 24

[cbalcazarp4585]

Summary of PR changes

ci.yml

Updated the test matrix from [node, lts/*] to [24]
Fixed the publish job to use a hardcoded node-version: 24 (it was incorrectly referencing ${{ matrix.node }} without a matrix defined on that job)

.nvmrc

Created with value 24 for local development with nvm

package.json

Added "engines": { "node": ">=24" } to document the minimum Node version requirement

PR Requirements

• For major, minor, or breaking changes, at least one of the commit messages contains the appropriate +semver: keywords.
  • See the Incrementing the Version section of the repository's README.md for more details.
• The action code does not contain sensitive information.

NOTE: If the repo's workflow could not automatically update the README.md, it should be updated manually with the next version. For javascript actions, if the repo's workflow could not automatically recompile the action it should also be updated manually as part of the PR.