github: fix defer in for loop #867

	name: build

	on:
	pull_request:
	push:
	branches:
	- main

	jobs:
	vet:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
	- name: Restore Go cache
	uses: actions/cache@13aacd865c20de90d75de3b17ebe84f7a17d57d2 # v4.0.0
	with:
	path: ~/go/pkg/mod
	key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
	restore-keys: \|
	${{ runner.os }}-go-
	- name: Setup Go
	uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5.0.0
	with:
	go-version: 1.21.x
	- name: Run vet
	run: make tidy fmt vet
	- name: Check if working tree is dirty
	run: \|
	if [[ $(git diff --stat) != '' ]]; then
	echo "run 'make tidy fmt vet' and commit changes"
	exit 1
	fi

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