Update module decred/dcrd/txscript to v2

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
github.com/decred/dcrd/txscript	require	major	v1.1.0 -> v2.1.0

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Release Notes

decred/dcrd

v2.1.0

Compare Source

v2.0.0

Compare Source

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• If you want to rebase/retry this PR, check this box

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[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻️ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you check the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: app/go.sum

Command failed: docker run --rm --name=renovate_go --label=renovate_child -v "/mnt/renovate/gh/peterzen/kohola":"/mnt/renovate/gh/peterzen/kohola" -v "/tmp/renovate-cache":"/tmp/renovate-cache" -v "/tmp/renovate-cache/others/go":"/tmp/renovate-cache/others/go" -e GOPATH -e CGO_ENABLED -w "/mnt/renovate/gh/peterzen/kohola/app" renovate/go bash -l -c "git config --global url.\"https://x-access-token:**redacted**@github.com/\".insteadOf \"https://github.com/\" && go get -d ./..."
go: github.com/decred/dcrd/txscript/v2/[email protected]: reading github.com/decred/dcrd/txscript/v2/txscript/v2/go.mod at revision txscript/v2/v2.1.0: unknown revision txscript/v2/v2.1.0