Add feature to support mutation for array and map iterators #637

	# GitHub Actions - CI for Go to build & test.
	# Based on copy of https://github.com/fxamacker/cbor/workflows/ci.yml
	name: ci

	# Remove default permissions at top level and grant in jobs.
	permissions: {}

	on:
	workflow_dispatch:
	push:
	branches:
	- main
	- 'feature/**'
	- 'v**'
	pull_request:
	branches:
	- main
	- 'feature/**'
	- 'v**'

	jobs:

	# Test on various OS with default Go version.
	tests:
	name: Test on ${{matrix.os}}
	runs-on: ${{ matrix.os }}

	permissions:
	contents: read

	strategy:
	matrix:
	os: [macos-latest, ubuntu-latest]
	go-version: [1.17, 1.18, 1.19]

	steps:
	- name: Install Go
	uses: actions/setup-go@v4
	with:
	go-version: ${{ matrix.go-version }}
	check-latest: true

	- name: Checkout code
	uses: actions/checkout@v3
	with:
	fetch-depth: 1

	- name: Get dependencies
	run: go get -v -t -d ./...

	- name: Build project
	run: go build ./...

	- name: Run tests
	run: \|
	go version
	go test -timeout 60m -race -v ./...

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