changed Put multicodec to Blake3 #761

	name: Go Test
	on: [ push, pull_request ]

	jobs:
	unit:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Set up Go
	uses: actions/setup-go@v3
	with:
	go-version: "1.19.x"
	- name: Go information
	run: \|
	go version
	go env
	- name: Run tests
	run: go test -v -shuffle=on ./...
	- name: Run tests with race detector
	run: go test -v -race ./...

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