simon tweaks to release checklist (#108) #3

	name: Release (GitHub/PyPI)

	on:
	workflow_dispatch:
	push:
	tags:
	- '*' # Trigger on all tags initially

	jobs:
	tag-check:
	runs-on: ubuntu-latest
	outputs:
	tag_valid: ${{ steps.tag-check.outputs.tag_valid }}
	steps:
	- name: Extract and validate tag for (pre)-release
	id: tag-check
	run: \|
	TAG_NAME=${GITHUB_REF#refs/tags/}

	# Check if the tag matches the pattern, e.g. 3.1.32 or 0.1.3rc0
	if [[ "$TAG_NAME" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]] \|\| [[ "$TAG_NAME" =~ ^[0-9]+\.[0-9]+\.[0-9]+rc[0-9]+$ ]]; then
	echo "tag_valid=true" >> $GITHUB_OUTPUT
	fi

	release:
	needs: tag-check
	if: needs.tag-check.outputs.tag_valid == 'true'
	permissions:
	contents: write
	uses: Billingegroup/release-scripts/.github/workflows/_build-wheel-release-upload.yml@v0
	with:
	project: diffpy.snmf
	secrets:
	PYPI_TOKEN: ${{ secrets.PYPI_TOKEN }}

Provide feedback