Add analyzer & fixer to detect when proxy methods are not used (`ProxyForAttribute`) #15255

	name: Test content master against engine

	on:
	push:
	branches: [master]
	pull_request:
	branches: [master]

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Check out content
	uses: actions/[email protected]
	with:
	repository: space-wizards/space-station-14
	submodules: recursive

	- name: Setup .NET Core
	uses: actions/[email protected]
	with:
	dotnet-version: 10.0.x
	- name: Disable submodule autoupdate
	run: touch BuildChecker/DISABLE_SUBMODULE_AUTOUPDATE

	- name: Check out engine version
	run: \|
	cd RobustToolbox
	git fetch origin ${{ github.sha }}
	git checkout FETCH_HEAD
	git submodule update --init --recursive
	- name: Replace global.json
	run: cp RobustToolbox/global.json .
	- name: Install dependencies
	run: dotnet restore
	- name: Build
	run: dotnet build --configuration Tools --no-restore
	- name: Content.Tests
	run: dotnet test --no-build Content.Tests/Content.Tests.csproj -v n
	- name: Content.IntegrationTests
	run: COMPlus_gcServer=1 dotnet test --no-build Content.IntegrationTests/Content.IntegrationTests.csproj -v n

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