Remove extraneous optionals #6493

	name: windows
	on: push
	# Prevent writing to the repository using the CI token.
	# Ref: https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#permissions
	permissions: read-all
	jobs:
	test:
	env:
	DOWNLOAD_CACHE: 'd:\downloadcache'
	runs-on: windows-latest
	steps:
	- name: checkout
	uses: actions/checkout@v4
	- name: go-cache
	uses: actions/cache@v3
	with:
	path: \|
	~\AppData\Local\go-build
	~\go\pkg\mod
	key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
	restore-keys: \|
	${{ runner.os }}-go-
	- name: setup-go
	uses: actions/setup-go@v4 # this contains a fix for Windows file extraction
	with:
	go-version: '1.21.x'
	cache: false
	- name: windows-cache
	uses: actions/cache@v3
	with:
	path: \|
	${{ env.DOWNLOAD_CACHE }}
	key: ${{ runner.os }}-buf-windows-${{ hashFiles('windows/**') }}
	restore-keys: \|
	${{ runner.os }}-buf-windows-
	- name: test
	shell: bash
	run: ./windows/test.bash

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