Bump golang from 1.20.7-alpine to 1.21.1-alpine in /deploy/goer #137

	name: Build and test

	on:
	push:
	pull_request:

	jobs:
	run-tests:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	with:
	submodules: "recursive"

	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: "1.17.3"

	- name: Build and test
	run: make build check tidy check-dirty

	build-docker-image:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	with:
	submodules: "recursive"

	- name: Build Docker image
	uses: docker/build-push-action@v4
	with:
	# We need to specify the context explicitly so the action doesn't
	# grab the source straight from the git. That's not a problem in
	# itself but the .git directory (needed by govvv) won't be available.
	context: .
	file: deploy/goer/Dockerfile
	pull: true

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