chore: rename 5090 template to CUDA 13, add upgrade notices#16

TimPietruskyRunPod wants to merge 2 commits intomainrunpod-workers/comfyui-base:mainfrom

chore/update-template-readmes-and-cuda-namingrunpod-workers/comfyui-base:chore/update-template-readmes-and-cuda-namingCopy head branch name to clipboard