Minor fixes

What's Changed

• set content length header on MDN response by @matt-mcallister in #369
• Log meesage fix and library upgrades by @uhurusurfa in #373
• Bump express from 4.18.2 to 4.19.2 in /WebUI by @dependabot in #364
• Updating Dockerfile to more recent base images by @PapaToemmsn in #366

New Contributors

• @PapaToemmsn made their first contribution in #366
• @matt-mcallister made their first contribution in #369

Full Changelog: v3.10.0...v3.10.1