[deployment] try fixing android jdk for build #105

	on: [push]
	name: Prepare release
	jobs:
	build:
	name: Prepare Release on github
	runs-on: ubuntu-20.04
	steps:
	# #################### build conditions
	- name: vtag variable
	shell: bash
	run: echo "vtag=$(echo ${GITHUB_REF#refs/tags/} \| awk '/v([0-9]+\.)+[0-9]+/{print $0}')" >> $GITHUB_ENV

	- name: Extractor for vtag env
	id: extract_tag
	shell: bash
	run: echo "{tag}==${{ env.vtag }}" >> $GITHUB_OUTPUT

	# ####################### upload release file description

	# https://docs.github.com/en/free-pro-team@latest/actions/reference/environment-variables
	# needed to read file from repo ... otherwise it's empty?!
	- name: Checkout sources
	uses: actions/checkout@v2

	# https://github.com/marketplace/actions/create-a-release
	- name: Create Release
	if: steps.extract_tag.outputs.tag != null
	uses: actions/create-release@v1
	continue-on-error: true
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	with:
	tag_name: ${{ steps.extract_tag.outputs.tag }}
	release_name: Release ${{ steps.extract_tag.outputs.tag }}
	body_path: docs/release_changes.md
	draft: false
	prerelease: false

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