You are using an unsupported kernel, and Nvidia stopped updating 545 for use with newer kernels.
...
Building initial module for 6.7.3-060703-generic
ERROR (dkms apport): kernel package linux-headers-6.7.3-060703-generic is not supported
Do not use Nvidia 545 anymore. Use the 535 "long-lived"/stable branch.
You are using an unsupported kernel, and Nvidia stopped updating 545 for use with newer kernels. generic 6.7.3-060703- generic is not supported
...
Building initial module for 6.7.3-060703-
ERROR (dkms apport): kernel package linux-headers-
Do not use Nvidia 545 anymore. Use the 535 "long-lived"/stable branch.