feat: add german sales tax template (backport #34823)

[mergify]

This is an automatic backport of pull request #34823 done by Mergify.
Cherry-pick of 59f6b77 has failed:

On branch mergify/bp/version-13-hotfix/pr-34823
Your branch is up to date with 'origin/version-13-hotfix'.

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	both modified:   erpnext/setup/setup_wizard/data/country_wise_tax.json

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To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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[deepeshgarg007]

@barredterra Please resolve conflicts and reopen if required