Bump golang from 1.20-alpine to 1.21-alpine in /production #1341

	---
	name: Tests

	on: [push]

	jobs:

	build:
	name: Build
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go-version: [1.19]
	steps:

	- name: Set up Go ${{ matrix.go-version }}
	uses: actions/setup-go@v2
	with:
	go-version: ${{ matrix.go-version }}
	id: go

	- name: Check out code into the Go module directory
	uses: actions/checkout@v3

	- name: Get dependencies
	run: \|
	go get -v -t -d ./...
	working-directory: backend
	- name: Test
	run: go test -v ./...
	working-directory: backend

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