switch to aurora postgres serverless #4

	name: Lint
	on: [push]
	jobs:
	fmt:
	name: terraform fmt check
	runs-on: ubuntu-22.04
	steps:
	- uses: actions/checkout@v4
	- name: terraform fmt check
	run: terraform fmt -check -diff
	lint:
	name: Lint
	runs-on: ubuntu-22.04
	steps:
	- uses: actions/checkout@v4
	- name: Cache the tflint plugins directory
	uses: actions/cache@v4
	with:
	path: ~/.tflint.d/plugins
	key: tflint-${{ hashFiles('.tflint.hcl') }}
	- uses: terraform-linters/setup-tflint@v4
	name: Setup
	with:
	tflint_version: v0.49.0
	- name: Init
	run: tflint --init
	env:
	# https://github.com/terraform-linters/tflint/blob/master/docs/user-guide/plugins.md#avoiding-rate-limiting
	GITHUB_TOKEN: ${{ github.token }}
	- name: Lint
	run: tflint --format compact

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