8363965: GHA: Switch cross-compiling sysroots to Debian bookworm

Reviewed-by: shade, andrew
Backport-of: 3ff903a37cc0bbe4cb5e2a6b08faa48fde71445f

Author: jerboaa

.github/workflows/submit.yml

@@ -405,7 +405,7 @@ jobs:
           --verbose
           --include=fakeroot,symlinks,build-essential,libx11-dev,libxext-dev,libxrender-dev,libxrandr-dev,libxtst-dev,libxt-dev,libcups2-dev,libfontconfig1-dev,libasound2-dev,libfreetype6-dev,libpng-dev,libffi-dev
           --resolve-deps
-          bullseye
+          bookworm
           ~/sysroot-${{ matrix.debian-arch }}
           http://httpredir.debian.org/debian/
         if: matrix.debian-arch != '' && steps.cache-sysroot.outputs.cache-hit != 'true'