update go mod #18

	name: Go test tsshd
	on: [push]
	jobs:
	go-test-on-linux:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout tsshd
	uses: actions/checkout@v4
	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version: "1.21"
	- name: go test
	run: go test -v -count=1 ./tsshd
	go-test-on-macos:
	runs-on: macos-latest
	steps:
	- name: Checkout tsshd
	uses: actions/checkout@v4
	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version: "1.21"
	- name: go test
	run: go test -v -count=1 ./tsshd
	go-test-on-windows:
	runs-on: windows-latest
	steps:
	- name: Checkout tsshd
	uses: actions/checkout@v4
	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version: "1.21"
	- name: go test
	run: go test -v -count=1 ./tsshd
	go-release-snapshot:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout tsshd
	uses: actions/checkout@v4
	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version: "1.21"
	- name: Run GoReleaser
	uses: goreleaser/goreleaser-action@v6
	with:
	distribution: goreleaser
	version: "~> v1"
	args: release --clean --snapshot --skip=publish
	test-win7-go1_20:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout tsshd
	uses: actions/checkout@v4
	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version: "1.20"
	- name: Build tsshd
	run: \|
	sed -i 's/go 1\.21/go 1.20/g' go.mod
	go get github.com/xtaci/kcp-go/[email protected] github.com/quic-go/[email protected]
	go mod tidy
	go test -v -tags win7 -count=1 ./tsshd
	GOOS=windows GOARCH=386 go build -tags win7 -o tsshd_win7_i386/ ./cmd/tsshd/
	GOOS=windows GOARCH=amd64 go build -tags win7 -o tsshd_win7_x86_64/ ./cmd/tsshd/

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