Update generated apps Github CI to use bun

[jwoertink]

The whole browser flow still uses Yarn and needs to be swapped for Bun

lucky_cli/src/web_app_skeleton/.github/workflows/ci.yml.ecr

Lines 64 to 82 in 761742c

	- name: Get yarn cache directory path
	id: yarn-cache-dir-path
	run: echo "::set-output name=dir::$(yarn cache dir)"
	- name: Set up Yarn cache
	uses: actions/cache@v5
	with:
	path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
	key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
	restore-keys: |
	${{ runner.os }}-yarn-
	- name: Set up Node cache
	uses: actions/cache@v5
	id: node-cache # use this to check for `cache-hit` (`steps.node-cache.outputs.cache-hit != 'true'`)
	with:
	path: '**/node_modules'
	key: ${{ runner.os }}-node-${{ hashFiles('**/yarn.lock') }}
	restore-keys: |