routinator: update to 0.11.3

[klarasm]

I also have a draft PR #37848 and would appreciate feedback on if there's anything else that should be done there.

Testing the changes

• I tested the changes in this PR: briefly Seems to be mostly security and bug fixes since last release (https://github.com/NLnetLabs/routinator/releases/tag/v0.11.3).

Local build testing

• I built this PR locally for my native architecture, (x86_64-glibc)
• I built this PR locally for these architectures:
  • aarch64-musl
  • armv7l
  • armv6l-musl
  • x86_64-musl