grub2 security, bug fix, and enhancement update

2.02-123.0.1 - backport arm64: Fix EFI loader kernel image allocation Orabug: 33702462 - backport Arm: check for the PE magic for the compiled arch Orabug: 33702462 - Backport some better script logic for BTRFS support Orabug: 32448171 - Do not add shim and grub certificate deps for aarch64...