bump Go version in CI #14

	---
	name: balboa build

	on:
	- push
	- pull_request

	jobs:
	build:
	name: "balboa"
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2

	- name: Set up Go
	uses: actions/setup-go@v2
	with:
	go-version: 1.21

	- name: Install non-Go deps
	run: \|
	sudo apt update
	sudo apt -yq install librocksdb-dev

	- name: Get and build deps
	run: go get -v -t -d ./...

	- name: Build executable
	run: go build -v -o balboa cmd/balboa/main.go

	- name: Run tests
	run: go test -v ./...

	- name: Build backends
	run: make -C backend

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