docs: add issue template for point-release #149

	---
	name: Create and publish container images
	on:
	# Build on merge to main, or any tag push.
	push:
	branches:
	- main
	tags:
	- '*[0-9]+.[0-9]+.[0-9]+'
	# Also support ad-hoc calls for workflow.
	workflow_call:
	workflow_dispatch:
	jobs:
	penumbra:
	runs-on: buildjet-16vcpu-ubuntu-2204
	permissions:
	contents: read
	packages: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	lfs: true

	- name: Log in to the Docker Hub container registry (for pulls)
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

	- name: Log in to the GitHub container registry (for pushes)
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ghcr.io/penumbra-zone/penumbra

	- name: Build and push Docker image
	uses: docker/build-push-action@v5
	with:
	context: .
	platforms: linux/amd64
	file: deployments/containerfiles/Dockerfile
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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