V2.2.1 - Online ext4 partition expansion fix#54
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### Fixed
- **ExpandEXT4Partition** - Resize now succeeds on mounted filesystems
- Previously parted's heredoc fed `Yes` to a `Fix/Ignore?` GPT-recovery prompt,
producing `parted: invalid token: Yes` and silently leaving the partition
unchanged while the script reported success
- Replaced parted heredoc with `sgdisk` delete + recreate at the same start
sector, preserving partition GUID, type code and name (mountpoint stays valid)
- Removed the `umount` step entirely; uses `partx -u` to refresh the kernel
view online and `resize2fs` to grow ext4 while mounted
- Added a `blockdev --getsize64` verification step that fails loudly if the
kernel does not see the new partition size before `resize2fs` runs
- Dropped the `parted` install dependency (no longer used)
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Fixed
Yesto aFix/Ignore?GPT-recovery prompt, producingparted: invalid token: Yesand silently leaving the partition unchanged while the script reported successsgdiskdelete + recreate at the same start sector, preserving partition GUID, type code and name (mountpoint stays valid)umountstep entirely; usespartx -uto refresh the kernel view online andresize2fsto grow ext4 while mountedblockdev --getsize64verification step that fails loudly if the kernel does not see the new partition size beforeresize2fsrunspartedinstall dependency (no longer used)