bug#75510: Building grub-image.png.drv fails with rsvg

[Roman Scherer]

Hello Guix,

I can't reconfigure my (aarch64) system anymore. When building
/gnu/store/bpda8gfvxm6iv3mc6n8sf3ydxc5b6zi9-grub-image.png.drv I see the 
following backtrace:

```
building /gnu/store/bpda8gfvxm6iv3mc6n8sf3ydxc5b6zi9-grub-image.png.drv...
Backtrace:
           2 (primitive-load "/gnu/store/3rcg4ann6607iqsh1aj84cqdnw8?")
In gnu/build/svg.scm:
     53:6  1 (svg->png "/gnu/store/41841pid2mmsvar44vy9xafsrf3cyb9i?" ?)
In unknown file:
           0 (rsvg-handle-render-cairo #<rsvg-handle fffff770ae60> #)

ERROR: In procedure rsvg-handle-render-cairo:
Wrong type (expecting finalized smob): #<cairo-context fffff770ad90>
builder for `/gnu/store/bpda8gfvxm6iv3mc6n8sf3ydxc5b6zi9-grub-image.png.drv' 
failed with exit code 1
build of /gnu/store/bpda8gfvxm6iv3mc6n8sf3ydxc5b6zi9-grub-image.png.drv failed
View build log at 
'/var/log/guix/drvs/bp/da8gfvxm6iv3mc6n8sf3ydxc5b6zi9-grub-image.png.drv.gz'.
applying 4 grafts for asahi-scripts-20240623 ...
cannot build derivation 
`/gnu/store/mnavmxm513zwy16m1lyz2yppdgjbam3l-grub.cfg.drv': 1 dependencies 
couldn't be built
guix system: error: build of 
`/gnu/store/mnavmxm513zwy16m1lyz2yppdgjbam3l-grub.cfg.drv' failed
```

Any ideas how to fix this?

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