feat(newserver): add Hytale server support

[andrewqsantos]

Description

Adds LinuxGSM support for Hytale server.

Fixes #4867

Type of change

• Bug fix (a change which fixes an issue).
• New feature (a change which adds functionality).
• New Server (new server added).
• Refactor (restructures existing code).
• Comment update (typo, spelling, explanation, examples, etc).

Testing

Please list the exact validation you performed and the outcome.

• Commands/tests run:
  • git diff --check upstream/develop...HEAD
  • datadir=lgsm/data bash .github/scripts/serverlist-validate.sh
  • datadir=lgsm/data bash .github/scripts/serverlist-validate-game-icons.sh
  • bash -n on changed shell modules
  • bash tests/hytale-update-harness.sh
  • prettier --check --ignore-unknown on changed shell files
• Result: Passed
• Environment used (distro/version): macOS local workspace, shell validation

Risk and rollback

• Risk level: medium
• Rollback plan: Revert this PR to remove Hytale support and restore previous update/monitor behavior.

Breaking changes

• No breaking changes.
• Breaking changes included (describe below).

Documentation impact

• No documentation update required.
• User documentation update required.
• Developer documentation update required.

Checklist

PR will not be merged until all steps are complete.

• This pull request links to an issue.
• This pull request uses the develop branch as its base.
• This pull request subject follows the Conventional Commits standard.
• This code follows the style guidelines of this project.
• I have performed a self-review of my code.
• I have provided a detailed enough description of this PR.