lint

fix various race conditions when writing packets to closed clients or server sessions #2290

	name: lint

	on:
	push:
	branches: [ main, v4 ]
	pull_request:
	branches: [ main, v4 ]

	jobs:
	golangci-lint:
	runs-on: ubuntu-22.04

	env:
	CGO_ENABLED: '0'

	steps:
	- uses: actions/checkout@v4

	- uses: actions/setup-go@v3
	with:
	go-version: "1.23"

	- uses: golangci/golangci-lint-action@v3
	with:
	version: v1.61.0

	go-mod-tidy:
	runs-on: ubuntu-22.04

	steps:
	- uses: actions/checkout@v4

	- uses: actions/setup-go@v3
	with:
	go-version: "1.23"

	- run: \|
	go mod tidy
	git diff --exit-code

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