chore: update github actions, #23

	name: Cache Flutter App Version

	on:
	push:
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Read version from pubspec.yaml
	id: read-version
	run: \|
	echo "PREVIOUS_VERSION=$(grep 'version:' pubspec.yaml \| awk '{print $2}')" >> $GITHUB_ENV
	echo "UPDATED_VERSION=$(cat pubspec.yaml \| grep 'version:' \| awk '{print $2}')" >> $GITHUB_ENV

	- name: Restore version from cache
	uses: actions/cache@v2
	id: restore-cache
	with:
	path: version
	key: ${{ runner.os }}-version-${{ hashFiles('version/*') }}

	- name: Generate and save random number
	run: \|
	echo "random_number: $RANDOM" > version.txt
	echo "Updated version file:"
	cat version.txt

	- name: Save updated content to cache
	uses: actions/cache@v2
	with:
	path: version
	key: ${{ runner.os }}-version-${{ hashFiles('version/*') }}

	# - name: Use cached version
	# if: steps.cache.outputs.cache-hit == 'true'
	# run: \|
	# echo "Using cached version: $(cat version/version.txt)"

Provide feedback