ci: port i686-multiprocess-DEBUG

Github-Pull: #32989
Rebased-From: f2068f26c1

Co-authored-by: Max Edwards <youwontforgetthis@gmail.com>

.github/workflows/ci.yml

@@ -372,6 +372,12 @@ jobs:
             timeout-minutes: 120
             file-env: './ci/test/00_setup_env_native_nowallet_libbitcoinkernel.sh'
 
+          - name: 'i686, multiprocess, DEBUG'
+            cirrus-runner: 'ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04-md'
+            fallback-runner: 'ubuntu-24.04'
+            timeout-minutes: 120
+            file-env: './ci/test/00_setup_env_i686_multiprocess.sh'
+
     steps:
       - name: Checkout
         uses: actions/checkout@v5