fix: Update minSdkVersion to 21 to Fix NDK Compatibility Issue #83

	name: Release to Github release/pub.dev and tag 🚀

	on:
	pull_request:
	types:
	- closed

	jobs:
	release_if_merged:
	if: ${{ github.event.pull_request.merged == true &&
	github.event.pull_request.base.ref == 'main' &&
	contains(github.event.pull_request.labels.*.name, 'ci:prepare_release') }}
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	ref: main
	fetch-depth: 0
	- uses: actions/setup-node@v3
	with:
	node-version: 16
	- name: Install release-it
	run: \|
	npm install -g release-it
	npm install -g release-it/bumper
	npm install -g release-it/conventional-changelog
	- name: git config
	run: \|
	git config user.name "${GITHUB_ACTOR}"
	git config user.email "${GITHUB_ACTOR}@users.noreply.github.com"
	- run: \|
	PUBSPEC_VERSION=$(grep 'version: ' pubspec.yaml \| sed -e 's,.: $.$,\1,')
	echo "pubspec version: ${PUBSPEC_VERSION}"

	release-it ${PUBSPEC_VERSION} \
	--no-git.commit \
	--'git.commitMessage="chore: release ${version}"' \
	--git.tag \
	--'git.tagName="${version}"' \
	--'git.tagAnnotation="Release ${version}"' \
	--git.push \
	--github.release \
	--no-github.web \
	--ci
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	- name: Publish Dart Package 🚢
	id: publish
	uses: k-paxian/dart-package-publisher@master
	with:
	accessToken: ${{ secrets.OAUTH_ACCESS_TOKEN }}
	refreshToken: ${{ secrets.OAUTH_REFRESH_TOKEN }}
	force: true # We have checked the `dart pub publish --dry-run` `in ci.yaml`, it's ok to force publish here.

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