linux-i386 doesn't work with ubuntu 24.04

[diegomrsantos]

Install deps fails with:

Run nimble install_pinned
  nimble install_pinned
  shell: /usr/bin/bash --noprofile --norc -e -o pipefail {0}
  env:
    PLATFORM: x86
    ncpu: 1
    MAKE_CMD: make
    GOROOT: /opt/hostedtoolcache/go/1.15.15/x64
The futex facility returned an unexpected error code.
SIGABRT: Abnormal termination.
/home/runner/work/_temp/761dfd4c-7dd4-40dd-9496-909550f[2](https://github.com/vacp2p/nim-libp2p/actions/runs/10141458395/job/28038743233?pr=1151#step:7:2)1b65.sh: line 1:  5228 Aborted                 (core dumped) nimble install_pinned
Error: Process completed with exit code 1[3](https://github.com/vacp2p/nim-libp2p/actions/runs/10141458395/job/28038743233?pr=1151#step:7:3)4.

[diegomrsantos]

This prevents us from using Ubuntu 24.04 on CI.