update to newer golang #4

	name: Test with Kind

	on: [push, pull_request]

	env:
	KIND_VERSION: v0.20.0

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- name: Check out code
	uses: actions/checkout@v2

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

	- name: Install kind
	run: \|
	curl -Lo ./kind https://kind.sigs.k8s.io/dl/${{ env.KIND_VERSION }}/kind-linux-amd64
	chmod +x ./kind
	sudo mv ./kind /usr/local/bin/kind

	- name: Create kind cluster
	run: \|
	kind create cluster

	- name: Set up kubectl
	run: \|
	kubectl cluster-info --context kind-kind
	kubectl get nodes

	- name: Build and test
	run: \|
	make build
	make test

	- name: Run a single focused test
	run: \|
	bin/hydrophone --focus 'Simple pod should contain last line of the log'

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