## Summary
* Increased `PNG_MAX_BUFFERED_PIXELS` from 6402 to 16416 in
`platformio.ini` to support up to 2048px wide RGBA images
* adds a check to abort decoding and log an error if the required PNG
scanline buffer exceeds the configured `PNG_MAX_BUFFERED_PIXELS`,
preventing possible buffer overruns.
* fixes
https://github.com/crosspoint-reader/crosspoint-reader/issues/993
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### AI Usage
While CrossPoint doesn't have restrictions on AI tools in contributing,
please be transparent about their usage as it
helps set the right context for reviewers.
Did you use AI tools to help write this code? _**< YES >**_
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