fix warning message #18

	name: Documentation Update Trigger
	on:
	push:
	branches:
	- master
	paths:
	- 'docs/**'
	- '.github/workflows/docs-folder-trigger.yml'
	- 'mkdocs.yml'
	permissions:
	contents: write
	jobs:
	deploy:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: 3.x
	- uses: actions/cache@v3
	with:
	key: ${{ github.ref }}
	path: .cache
	- run: pip install mkdocs-material pillow cairosvg
	- run: mkdocs gh-deploy --force

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