Update to compile 1.20, and 1.20.1

[V1nc3ntWasTaken]

By creating a pull request, you agree to the following

• The code included in this PR is in no way malicious, or used for my personal gain.
• The code included in this PR is intended to benefit, add a universal feature, fix a bug(s), or make a function more efficient.
• The code included in this PR is not intended for one time use/personal use. (ex. compatibility with your personal plugin)
• The code included in this PR follows the licensing of it's origination.
• The code included in this PR is tested, and follows all laws, regulations, rules, and other listed restrictions.

Type of Change

What type of fix(es) are included in this pull request?

• [ ] Bug Fix
• [ ] New Feature
• [X] Other (Describe below)

Other (Only applies if Other is selected above)

• Workflow update

Link(s) to related issue(s) and their issue number(s)

List of links to issues that this PR relates to or closes

• None

Changes

Describe all the changes that were made

• Add 1.20 and 1.20.1 to the BuildTools compile workflow

Testing Required

Do the applied changes require testing? (Depends on if core components were changed)

• [ ] Yes, these changes require testing
• [X] No, these changes do not require testing (Offsite testing done)

Testing Environment (If the above is Yes)

1.19 Tests

• Server Distribution (CraftBukkit, Spigot, Purpur, and it's build number):
• [ ] Tested player joining
• [ ] Tested chats Player -> Server
• [ ] Tested command chats Player -> Server (Using /tell, /me, /say, etc.)
• [ ] Tested chats Server -> Player (Using /say, /me, etc.)
• [ ] Tested chat formatting (Using third party plugins such as TownyChat, EssentialsXChat, etc.)
• [ ] Tested Reflection with above

1.19.1 Tests

• Server Distribution (CraftBukkit, Spigot, Purpur, and it's build number):
• [ ] Tested player joining
• [ ] Tested chats Player -> Server
• [ ] Tested command chats Player -> Server (Using /tell, /me, /say, etc.)
• [ ] Tested chats Server -> Player (Using /say, /me, etc.)
• [ ] Tested chat formatting (Using third party plugins such as TownyChat, EssentialsXChat, etc.)
• [ ] Tested Reflection with above

1.19.2 Tests

• Server Distribution (CraftBukkit, Spigot, Purpur, and it's build number):
• [ ] Tested player joining
• [ ] Tested chats Player -> Server
• [ ] Tested command chats Player -> Server (Using /tell, /me, /say, etc.)
• [ ] Tested chats Server -> Player (Using /say, /me, etc.)
• [ ] Tested chat formatting (Using third party plugins such as TownyChat, EssentialsXChat, etc.)
• [ ] Tested Reflection with above

1.19.3 Tests

• Server Distribution (CraftBukkit, Spigot, Purpur, and it's build number):
• [ ] Tested player joining
• [ ] Tested chats Player -> Server
• [ ] Tested command chats Player -> Server (Using /tell, /me, /say, etc.)
• [ ] Tested chats Server -> Player (Using /say, /me, etc.)
• [ ] Tested chat formatting (Using third party plugins such as TownyChat, EssentialsXChat, etc.)
• [ ] Tested Reflection with above

1.19.4 Tests

• Server Distribution (CraftBukkit, Spigot, Purpur, and it's build number):
• [ ] Tested player joining
• [ ] Tested chats Player -> Server
• [ ] Tested command chats Player -> Server (Using /tell, /me, /say, etc.)
• [ ] Tested chats Server -> Player (Using /say, /me, etc.)
• [ ] Tested chat formatting (Using third party plugins such as TownyChat, EssentialsXChat, etc.)
• [ ] Tested Reflection with above

1.20.1 Tests

• Server Distribution (CraftBukkit, Spigot, Purpur, and it's build number):
• [ ] Tested player joining
• [ ] Tested chats Player -> Server
• [ ] Tested command chats Player -> Server (Using /tell, /me, /say, etc.)
• [ ] Tested chats Server -> Player (Using /say, /me, etc.)
• [ ] Tested chat formatting (Using third party plugins such as TownyChat, EssentialsXChat, etc.)
• [ ] Tested Reflection with above

Self Review

• [X] I have performed a self-review of my code
• [X] My code successfully compiles through Maven every time, without any compiler warnings
• [X] My code has been checked for leftover development code/comments such as debug outputs