Add examples/basic/osop/unsetenv.go #1007

	name: Go

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	jobs:

	build:
	name: Build
	runs-on: ubuntu-latest
	steps:

	- name: Set up Go 1.22
	uses: actions/setup-go@v4
	with:
	go-version: 1.22
	id: go

	- name: Check out code into the Go module directory
	uses: actions/checkout@v4

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

	- name: Build
	run: go build

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