`@target_version` can be `String` or `Dependabot::Nuget::Version` #21844

Job	Run time
ci (bundler, bundler1, bundler)	12s
ci (bundler, bundler2, bundler)	13s
integration	2m 47s
Lint	45s
ci (cargo, cargo, cargo)	12s
ci (common, common, common)	1m 4s
Updater	2m 0s
ci (composer, composer, composer)	13s
ci (docker, docker, docker)	14s
ci (elm, elm, elm)	10s
ci (git_submodules, git_submodules, gitsubmodule)	11s
ci (github_actions, github_actions, github-actions)	11s
ci (go_modules, go_module, gomod)	11s
ci (gradle, gradle, gradle)	11s
ci (hex, hex, mix)	15s
ci (maven, maven, maven)	10s
ci (npm_and_yarn, npm_and_yarn, npm)	11s
ci (nuget, nuget, nuget)	12m 57s
ci (pub, pub, pub)	13s
ci (python, python, pip)	9s
ci (python, python_slow, pip)	10s
ci (swift, swift, swift)	10s
ci (devcontainers, devcontainers, devcontainers)	12s
ci (terraform, terraform, terraform)	10s
	23m 11s

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