Fix autotick

[traversaro]

Hopefully fix https://github.com/conda-forge/gz-common-feedstock/issues/10, w.r.t. to https://github.com/conda-forge/gz-sim-feedstock/issues/11 I try to continue to use {{ repo_name }} in the url, but {{ repo_name }} is assigned to a literal string instead of being the result of the concatenation of different strings.

Checklist

• [x] Used a personal fork of the feedstock to propose changes
• [ ] Bumped the build number (if the version is unchanged)
• [ ] Reset the build number to 0 (if the version changed)
• [ ] Re-rendered with the latest conda-smithy (Use the phrase code>@<space/conda-forge-admin, please rerender in a comment in this PR for automated rerendering)
• [x] Ensured the license file is being packaged.

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[traversaro]

but {{ repo_name }} is assigned to a literal string instead of being the result of the concatenation of different strings.

It turns out this is not actually necessary, see https://github.com/conda-forge/gz-plugin-feedstock/pull/7 .