Remove deprecated GitHub action(s) usage

[axel3rd]

From https://github.com/axel3rd/mpg-coach-bot/actions/runs/6029845209 we can see that:

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/create-release@v1, actions/upload-release-asset@v1

Both actions generate some:

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files

---

So deprecated actions should be replaced: actions/create-release@v1 + actions/upload-release-asset@v1

mpg-coach-bot/.github/workflows/release.yml

Lines 41 to 60 in 5c3947a

	- name: Create Release
	id: create_release
	uses: actions/create-release@v1
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	with:
	tag_name: ${{ github.ref }}
	release_name: ${{ env.package_name }}
	draft: false
	prerelease: false
	- name: Upload Release Asset
	id: upload_release_asset
	uses: actions/upload-release-asset@v1
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	with:
	upload_url: ${{ steps.create_release.outputs.upload_url }}
	asset_path: ./target/${{ env.package_name }}
	asset_name: ${{ env.package_name }}
	asset_content_type: application/jar

[axel3rd]

Probable best orientation: Merge both in one with softprops/action-gh-release.