Update ARM64 workers to Ubuntu 24.04 Noble

[mtelvers]

Upgrade ARM64 workers to Ubuntu 24.04 Noble

• ainia.caelum.ci.dev
• arm64-jade-1.equinix.ci.dev
• arm64-jade-2.equinix.ci.dev
• kydoime.caelum.ci.dev
• molpadia.caelum.ci.dev
• okypous.caelum.ci.dev

[mtelvers]

This process has been stalled as, after the upgrade to 24.04, ainia was unable to complete basic things, like building OCaml.

Firmware updates on ainia have fixed it. (https://github.com/tarides/infrastructure/issues/331)

Firmware upgrades on kydome, molpadia and okypous are pending.