update firmware sizes

Author: br0kenpixel

README.md

@@ -179,9 +179,9 @@ To build a debug image (or flash it) remove the `--release` flag from the above
 </details>
 
 ## Build variants
-Firmware size (as of commit `4c130a7`):
-- Release build: `1,132,800/2,031,616 bytes, 55.76%`
-- Debug build: `1,245,520/2,031,616 bytes, 61.31%`
+Firmware size (as of commit `42c0d75`):
+- Release build: `1,058,208/2,031,616 bytes, 52.09%`
+- Debug build: `1,234,432/2,031,616 bytes, 60.76%`
 
 Debug builds may be slower and contain a lot of debug messages. As such they are ~2% larger.