License: Fix SPDX, license is a selection

[xhochy]

The freetype license is known as FTL in the SPDX specification. Also, a user can select whether they want to use FreeType as licensed under GPL or FTL. Thus only one of them applies and the SPDX expression should contain OR instead of AND.

Checklist

• [x] Used a personal fork of the feedstock to propose changes
• [x] Bumped the build number (if the version is unchanged)
• [x] 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.

[conda-forge-webservices[bot]]

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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.

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I considered the following status checks when analyzing this PR:

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