[Snyk] Security upgrade ubuntu from mantic-20231011 to 23.10 (ultralytics#12460)

fix: utils/docker/Dockerfile-cpu to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-UBUNTU2310-GNUTLS28-6069047
- https://snyk.io/vuln/SNYK-UBUNTU2310-PERL-6085371
- https://snyk.io/vuln/SNYK-UBUNTU2310-PROCPS-5972730
- https://snyk.io/vuln/SNYK-UBUNTU2310-PROCPS-5972730
- https://snyk.io/vuln/SNYK-UBUNTU2310-TAR-6096092

Co-authored-by: snyk-bot <[email protected]>

Author: glenn-jocher

utils/docker/Dockerfile-cpu

@@ -3,7 +3,7 @@
 # Image is CPU-optimized for ONNX, OpenVINO and PyTorch YOLOv5 deployments
 
 # Start FROM Ubuntu image https://hub.docker.com/_/ubuntu
-FROM ubuntu:mantic-20231011
+FROM ubuntu:23.10
 
 # Downloads to user config dir
 ADD https://ultralytics.com/assets/Arial.ttf https://ultralytics.com/assets/Arial.Unicode.ttf /root/.config/Ultralytics/