Unable to reinstall grub

[Raja Cobra]

I'm running a Windows 11 dual boot with Kubuntu 22.04(LTS) on a Dell laptop. I opened Windows 11 after almost 3 months and the system did a complete update of it's firmware which stopped showing me the grub menu during boot and the system now directly boots into Windows, I tried to do the recommended boot-repair using live USB but it gave some errors.
Here's the link of the boot repair report
Link: https://paste.ubuntu.com/p/4xwwfKWTsw/

Below is the output of the
     Code:

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sudo dmidecode -t 0,1command:
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# dmidecode 3.3
Getting SMBIOS data from sysfs.
SMBIOS 3.2 present.

Handle 0x0001, DMI type 0, 26 bytes
BIOS Information
        Vendor: Dell Inc.
        Version: 1.24.0
        Release Date: 08/11/2023
        ROM Size: 32 MB
        Characteristics:
                PCI is supported
                PNP is supported
                BIOS is upgradeable
                BIOS shadowing is allowed
                Boot from CD is supported
                Selectable boot is supported
                EDD is supported
                Print screen service is supported (int 5h)
                8042 keyboard services are supported (int 9h)
                Serial services are supported (int 14h)
                Printer services are supported (int 17h)
                ACPI is supported
                USB legacy is supported
                Smart battery is supported
                BIOS boot specification is supported
                Function key-initiated network boot is supported
                Targeted content distribution is supported
                UEFI is supported
        BIOS Revision: 1.24

Handle 0x0100, DMI type 1, 27 bytes
System Information
        Manufacturer: Dell Inc.
        Product Name: Inspiron 15 3511
        Version: Not Specified
        Serial Number: FZXY3L3
        UUID: 4c4c4544-005a-5810-8059-c6c04f334c33
        Wake-up Type: Power Switch
        SKU Number: 0AB0
        Family: Inspiron

Boot-repair gives Locked-NVram detected error.