fix: automatically add gcc-unwrapped when installing sharp

[iloveitaly]

This PR adds the necessary lib to eliminate this error when using the sharp npm package:

error: Could not load the "sharp" module using the linux-arm64 runtime
undefined: libstdc++.so.6: cannot open shared object file: No such file or directory
Possible solutions:

[github-actions]

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[iloveitaly]

Friendly reminder here—would love to get this merged in if possible.

[coffee-cup]

Amazing thank you!