use mirrored sources for some plugins

[jaimergp]

Checklist

• [X] Used a personal fork of the feedstock to propose changes
• [X] 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.

Closes https://github.com/conda-forge/nsis-feedstock/issues/23

[conda-forge-webservices[bot]]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipe) and found it was in an excellent condition.

[jaimergp]

@conda-forge-admin, please rerender

[github-actions[bot]]

Hi! This is the friendly automated conda-forge-webservice.

I tried to rerender for you, but it looks like there was nothing to do.

This message was generated by GitHub actions workflow run https://github.com/conda-forge/nsis-feedstock/actions/runs/4258622756.

[jaimergp]

@conda-forge-admin, please rerender

[jaimergp]

@jakirkham @isuruf - this is ready for review! Thanks 🙏

[jaimergp]

Done @isuruf

[isuruf]

Thanks

[jakirkham]

Thank you both! 🙏