No space left on device while update-initramfs

Hardware Librem 5
12

sudo dpkg --list | egrep -i --color 'linux-image'

will lead you into executing of following:
sudo apt-get --purge remove linux-image-5.15.0-1-librem5

Now you’ll get enough space within your Librem 5 /boot partition to put back following file:

Please repeat as above:
sudo dpkg --list | egrep -i --color 'linux-image'
sudo apt-get --purge remove linux-image-5.13.0-1-librem5

Just my proposal, hope this works, this time (for now).