Update RoleExtensions.IsMilitary to reflect how the wiki categorizes guards

[Mikihero]

Description

Describe the changes
RoleExtensions.IsMilitary() returns true for guards, this is because the official wiki classifies them as militant classes


https://en.scpslgame.com/index.php?title=Humans
https://en.scpslgame.com/index.php?title=Facility_Guard

What is the current behavior? (You can also link to an open issue here)
RoleExtensions.IsMilitary() returns false for guards

What is the new behavior? (if this is a feature change)
RoleExtensions.IsMilitary() returns true for guards as well

Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)

Other information:

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentations

Submission checklist

• I have checked the project can be compiled
• I have tested my changes and it worked as expected

Patches (if there are any changes related to Harmony patches)

• I have checked no IL patching errors in the console

Other

• Still requires more testing

[Misaka-ZeroTwo]

ummm this is also a breaking change

[Mikihero]

ummm this is also a breaking change

it's a correction of #177 which was just merged to dev

[Misaka-ZeroTwo]

ummm this is also a breaking change

it's a correction of #177 which was just merged to dev

oh nvm then