Add mwtoews as a maintainer; a few other metadata edits

[mwtoews]

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)
• [x] 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.

Summary of changes

• Add mwtoews as a maintainer
• Change license from LGPL-2.1 to LGPL-2.1-only
• Use HTTPS for homepage
• Change development URL from non-official GitHub to OSGeo's Gitea

Hopefully there are not too many changes for a single PR.

[conda-forge-linter]

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.

[mwtoews]

@conda-forge-admin, please rerender

[xylar]

Thanks @mwtoews