ci: minor updates

[HuijingHei]

• Remove fast track for virtiofsd as higher version is installed
• Update grub2 to newer version in ci testing

[HuijingHei]

See CI logs, fast track is not needed, current version is virtiofsd-1.10.1-1.fc40.x86_64

[2024-07-09T03:43:27.442Z] + sudo dnf -y update https://kojipkgs.fedoraproject.org//packages/virtiofsd/1.7.0/5.fc38/x86_64/virtiofsd-1.7.0-5.fc38.x86_64.rpm

[2024-07-09T03:43:27.442Z] sudo: unable to send audit message: Operation not permitted

[2024-07-09T03:43:27.442Z] Repository 'f40-coreos-continuous' is missing name in configuration, using id.

[2024-07-09T03:43:27.699Z] f40-coreos-continuous                           368 kB/s |  16 kB     00:00    

[2024-07-09T03:43:28.623Z] Fedora 40 - x86_64                               25 MB/s |  20 MB     00:00    

[2024-07-09T03:43:31.883Z] Fedora 40 openh264 (From Cisco) - x86_64         20 kB/s | 1.4 kB     00:00    

[2024-07-09T03:43:32.138Z] Fedora 40 - x86_64 - Updates                     34 MB/s | 8.4 MB     00:00    

[2024-07-09T03:43:36.291Z] virtiofsd-1.7.0-5.fc38.x86_64.rpm                46 MB/s | 1.0 MB     00:00    

[2024-07-09T03:43:36.291Z] The same or higher version of virtiofsd is already installed, cannot update it.

[2024-07-09T03:43:36.291Z] Dependencies resolved.

[2024-07-09T03:43:36.291Z] Nothing to do.

[2024-07-09T03:43:36.291Z] Complete!

[jmarrero]

lgtm