chore: update bootc-image-builder image

Requires as I most recently encountered this issue during my testing:
osbuild/bootc-image-builder#650

### What does this PR do?

Updates the bib image

### Screenshot / video of UI

<!-- If this PR is changing UI, please include
screenshots or screencasts showing the difference -->

N/A

### What issues does this PR fix or reference?

<!-- Include any related issues from Podman Desktop
repository (or from another issue tracker). -->

Closes #1077

### How to test this PR?

<!-- Please explain steps to reproduce -->

Signed-off-by: Charlie Drage <[email protected]>

packages/backend/src/constants.ts

@@ -19,5 +19,5 @@
 // Image related
 export const bootcImageBuilder = 'bootc-image-builder';
 export const bootcImageBuilderCentos =
-  'quay.io/centos-bootc/bootc-image-builder:sha256-8ef91986f03df5607a829a819aa35cf704727609f7656edc413c6e4d145293d1';
+  'quay.io/centos-bootc/bootc-image-builder:sha256-b4eb0793837e627b5cd08bbb641ddf7f22b013d5d2f4d7d593ca6261f2126550';
 export const bootcImageBuilderRHEL = 'registry.redhat.io/rhel9/bootc-image-builder:9.4';