Update QEMU to 10.0.3 (#11603)

Try to stay up-to-date with the latest QEMU.

prtest:full

Author: alexcrichton

.github/workflows/main.yml

@@ -658,7 +658,7 @@ jobs:
     name: ${{ matrix.name }}
     runs-on: ${{ matrix.os }}
     env:
-      QEMU_BUILD_VERSION: 9.1.2
+      QEMU_BUILD_VERSION: 10.0.3
     strategy:
       fail-fast: ${{ github.event_name != 'pull_request' }}
       matrix: ${{ fromJson(needs.determine.outputs.test-matrix) }}