fix: improves error trapping when there are no changes since start tag. #98

	name: CI
	on: [push]
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0
	- name: Setup Go
	uses: actions/setup-go@v2
	with:
	go-version: '1.20.3'

	- name: Install dependencies
	run: go mod download
	- name: Test
	run: go test -v ./...
	- name: Build
	run: go build

	- name: Dryrun changelog
	run: \|
	./since project changes > /tmp/changes.md
	cat /tmp/changes.md

	- name: Dry run
	uses: goreleaser/goreleaser-action@v2
	if: ${{ !startsWith(github.ref, 'refs/tags/') }}
	with:
	version: latest
	args: release --snapshot

	- name: Release
	uses: goreleaser/goreleaser-action@v2
	if: startsWith(github.ref, 'refs/tags/')
	with:
	version: latest
	args: release --clean
	env:
	GITHUB_TOKEN: ${{ secrets.GH_RELEASE_TOKEN }}

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