Stop using `Tracer.Instance` if we don't need to #14285

	name: Verify nullability file changes have been persisted

	on:
	pull_request:
	workflow_dispatch:

	jobs:
	verify_files_without_nullability:
	runs-on: windows-latest
	permissions:
	contents: read

	steps:
	- name: Support longpaths
	run: git config --system core.longpaths true

	- name: Checkout
	uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0

	- uses: actions/setup-dotnet@d4c94342e560b34958eacfc5d055d21461ed1c5d # v5.0.0
	with:
	global-json-file: global.json

	- name: "Removing existing missing-nullability-files.csv"
	run: Get-ChildItem –Path ".\tracer\missing-nullability-files.csv" \| Remove-Item

	- name: "Regenerating missing-nullability-files.csv"
	run: .\tracer\build.ps1 CreateMissingNullabilityFile

	- name: "Verify no changes in missing-nullability-files.csv"
	run: \|
	git diff --quiet -- .\tracer
	if ($LASTEXITCODE -eq 1) {
	git diff -- .\tracer
	Write-Error "Found changes in missing-nullability-files.csv. Build the solution locally and ensure you have committed the missing-nullability-files.csv changes."
	Exit 1
	} else {
	echo "No changes found to generated files"
	}

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