Raspberry Pi OS • Multiple apparently serious errors on apt full-upgrade

Code:

...Setting up lpplug-gpu (1.10) ...Setting up raspi-firmware (1:1.20260907-1) ...Error: missing /boot/firmware, did you forget to mount it?dpkg: error processing package raspi-firmware (--configure): installed raspi-firmware package post-installation script subprocess returned error exit status 1Setting up libssl-dev:arm64 (3.5.7-1~deb13u2+rpt1) ......Setting up libevent-core-2.1-7t64:arm64 (2.1.13-stable-1~deb13u1) ...Setting up linux-image-6.18.50+rpt-rpi-v8 (1:6.18.50-1+rpt1) .../etc/kernel/postinst.d/initramfs-tools:update-initramfs: Generating /boot/initrd.img-6.18.50+rpt-rpi-v8raspi-firmware: missing /boot/firmware, did you forget to mount it?run-parts: /etc/initramfs/post-update.d//z50-raspi-firmware exited with return code 1run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1dpkg: error processing package linux-image-6.18.50+rpt-rpi-v8 (--configure): installed linux-image-6.18.50+rpt-rpi-v8 package post-installation script subprocess returned error exit status 1Setting up wfplug-cpu (1.10) ......Setting up gpg (2.4.7-21+deb13u1+b5) ...Setting up linux-image-6.18.50+rpt-rpi-2712 (1:6.18.50-1+rpt1) .../etc/kernel/postinst.d/initramfs-tools:update-initramfs: Generating /boot/initrd.img-6.18.50+rpt-rpi-2712raspi-firmware: missing /boot/firmware, did you forget to mount it?run-parts: /etc/initramfs/post-update.d//z50-raspi-firmware exited with return code 1run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1dpkg: error processing package linux-image-6.18.50+rpt-rpi-2712 (--configure): installed linux-image-6.18.50+rpt-rpi-2712 package post-installation script subprocess returned error exit status 1Setting up libtevent0t64:arm64 (2:0.16.2+samba4.22.11+dfsg-0+deb13u1) ......Setting up nginx (1.26.3-3+deb13u9) ...Upgrading binary: nginx.Setting up rpd-plym-splash (0.48) ...update-initramfs: Generating /boot/initrd.img-6.18.50+rpt-rpi-v8raspi-firmware: missing /boot/firmware, did you forget to mount it?run-parts: /etc/initramfs/post-update.d//z50-raspi-firmware exited with return code 1dpkg: error processing package rpd-plym-splash (--configure): installed rpd-plym-splash package post-installation script subprocess returned error exit status 1Setting up gir1.2-atk-1.0:arm64 (2.56.2-1+deb13u2) ......Setting up gir1.2-peas-1.0:arm64 (1.36.0-3+b4) ...dpkg: dependency problems prevent configuration of linux-image-rpi-2712: linux-image-rpi-2712 depends on linux-image-6.18.50+rpt-rpi-2712 (= 1:6.18.50-1+rpt1); however:  Package linux-image-6.18.50+rpt-rpi-2712 is not configured yet.dpkg: error processing package linux-image-rpi-2712 (--configure): dependency problems - leaving unconfiguredSetting up libperl5.40:arm64 (5.40.1-6+deb13u1) ......Setting up lpplug-ejecter (1.16) ...Setting up linux-headers-rpi-2712 (1:6.18.50-1+rpt1) ...dpkg: dependency problems prevent configuration of linux-image-rpi-v8: linux-image-rpi-v8 depends on linux-image-6.18.50+rpt-rpi-v8 (= 1:6.18.50-1+rpt1); however:  Package linux-image-6.18.50+rpt-rpi-v8 is not configured yet.dpkg: error processing package linux-image-rpi-v8 (--configure): dependency problems - leaving unconfiguredSetting up wf-panel-pi (1.31) ......Setting up gpg-wks-client (2.4.7-21+deb13u1+b5) ...dpkg: dependency problems prevent configuration of rpd-common: rpd-common depends on rpd-plym-splash; however:  Package rpd-plym-splash is not configured yet.dpkg: error processing package rpd-common (--configure): dependency problems - leaving unconfiguredSetting up python3.13-dev (3.13.5-2+deb13u5) ...Setting up samba-libs:arm64 (2:4.22.11+dfsg-0+deb13u1) ...dpkg: dependency problems prevent configuration of rpd-wayland-core: rpd-wayland-core depends on rpd-common; however:  Package rpd-common is not configured yet.dpkg: error processing package rpd-wayland-core (--configure): dependency problems - leaving unconfiguredSetting up libgstreamer-plugins-bad1.0-0:arm64 (1.26.2-3+rpt3+deb13u3) ...Setting up gstreamer1.0-plugins-bad:arm64 (1.26.2-3+rpt3+deb13u3) ...dpkg: dependency problems prevent configuration of rpd-x-core: rpd-x-core depends on rpd-common; however:  Package rpd-common is not configured yet.dpkg: error processing package rpd-x-core (--configure): dependency problems - leaving unconfiguredSetting up chromium (1:152.0.7977.82-1~deb13u1+rpt2) ......Processing triggers for desktop-file-utils (0.28-1) ...Processing triggers for initramfs-tools (0.148.4+rpt2) ...update-initramfs: Generating /boot/initrd.img-6.18.50+rpt-rpi-v8raspi-firmware: missing /boot/firmware, did you forget to mount it?run-parts: /etc/initramfs/post-update.d//z50-raspi-firmware exited with return code 1dpkg: error processing package initramfs-tools (--configure): installed initramfs-tools package post-installation script subprocess returned error exit status 1Processing triggers for hicolor-icon-theme (0.18-2) ......Processing triggers for debianutils (5.23.2) ...Errors were encountered while processing: raspi-firmware linux-image-6.18.50+rpt-rpi-v8 linux-image-6.18.50+rpt-rpi-2712 rpd-plym-splash linux-image-rpi-2712 linux-image-rpi-v8 rpd-common rpd-wayland-core rpd-x-core initramfs-toolsError: Sub-process /usr/bin/dpkg returned an error code (1)