#41039 chore(deps): bump mailparser, nodemailer, and undici, markdown-it

Proposed changes (including videos or screenshots)

Issue(s)

https://rocketchat.atlassian.net/browse/SB-1000

Steps to test or reproduce

Further comments

Summary by CodeRabbit

• Chores
  • Updated key runtime and build dependencies to newer compatible versions, including mailparser, nodemailer, and undici.
  • Refreshed dependency resolution rules to improve consistency across the project, including updated markdown-it and stricter undici version pinning for more predictable installs.