ci/gha: fix cross-i386

As of today, installing fails with

> libc6:i386 : Depends: libgcc-s1:i386 but it is not going to be installed

Add the package explicitly to work around that.

Signed-off-by: Kir Kolyshkin <[email protected]>

Author: kolyshkin

.github/workflows/test.yml

@@ -120,7 +120,7 @@ jobs:
         sudo add-apt-repository -y ppa:criu/ppa
         # apt-add-repository runs apt update so we don't have to.
 
-        sudo apt -q install libseccomp-dev libseccomp-dev:i386 gcc-multilib criu
+        sudo apt -q install libseccomp-dev libseccomp-dev:i386 gcc-multilib libgcc-s1:i386 criu
 
     - name: install go
       uses: actions/setup-go@v4