msdfgen: use libpng version range, bump deps

[mayeut]

Specify library name and version: msdfgen/all

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• I've read the contributing guidelines.
• I've used a recent Conan client version close to the currently deployed.
• I've tried at least one configuration locally with the conan-center hook activated.

[ghost]

I detected other pull requests that are modifying msdfgen/all recipe:

• msdfgen: add 1.11 + package_type + bump deps #21085

This message is automatically generated by https://github.com/ericLemanissier/conan-center-conflicting-prs so don't hesitate to report issues/improvements there.

[mayeut]

duplicates #21085