Refactor: use local `schemas.json` file instead of NPM package #16

	name: Optimize new SVG images
	on:
	pull_request:
	branches:
	- main
	defaults:
	run:
	shell: bash
	jobs:
	svgs:
	name: Optimize SVGs
	runs-on: ubuntu-latest
	permissions:
	# Give the default GITHUB_TOKEN write permission to commit and push the
	# added or changed files to the repository.
	contents: write
	steps:

	- name: Checkout repository
	uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 #v6.0.0

	- name: Check for changed SVGs
	uses: tj-actions/changed-files@24d32ffd492484c1d75e0c0b894501ddb9d30d62 # v47.0.0
	id: changed-files
	with:
	safe_output: false # set to false because we are using an environment variable to store the output and avoid command injection.
	files: \|
	*/.svg

	- uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 #v6.0.0
	if: steps.changed-files.outputs.any_changed == 'true'

	- name: Optimize files
	if: steps.changed-files.outputs.any_changed == 'true'
	env:
	ALL_CHANGED_FILES: ${{ steps.changed-files.outputs.all_changed_files }}
	run: \|
	npm install -g svgo
	for file in ${ALL_CHANGED_FILES}; do
	npx svgo --multipass "$file" --output "$file"
	done

	- name: Commit optimized SVGs
	if: steps.changed-files.outputs.any_changed == 'true'
	uses: stefanzweifel/git-auto-commit-action@28e16e81777b558cc906c8750092100bbb34c5e3 #v7.0.0
	with:
	commit_message: "auto: optimize SVGs"

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