Try to fix broken i386 CI

[meooow25]

No description provided.

[meooow25]

Apparently it's just that GHCup updated the recommended version to 9.10 and is for some reason unable to install it on i386.

Setting it to an older version works.

[meooow25]

Ah, the problem is

...
/github/home/.ghcup/tmp/ghcup-d4fc3625/github/home/.ghcup/ghc/9.10.3/lib/ghc-9.10.3/bin/ghc-pkg: /lib/i386-linux-gnu/libc.so.6: version `GLIBC_2.28' not found (required by /github/home/.ghcup/tmp/ghcup-d4fc3625/github/home/.ghcup/ghc/9.10.3/lib/ghc-9.10.3/bin/../lib/i386-linux-ghc-9.10.3/libHSprocess-1.6.26.1-19e9-ghc9.10.3.so)
/github/home/.ghcup/tmp/ghcup-d4fc3625/github/home/.ghcup/ghc/9.10.3/lib/ghc-9.10.3/bin/ghc-pkg: /lib/i386-linux-gnu/libc.so.6: version `GLIBC_2.28' not found (required by /github/home/.ghcup/tmp/ghcup-d4fc3625/github/home/.ghcup/ghc/9.10.3/lib/ghc-9.10.3/bin/../lib/i386-linux-ghc-9.10.3/libHSunix-2.8.7.0-6318-ghc9.10.3.so)
/github/home/.ghcup/tmp/ghcup-d4fc3625/github/home/.ghcup/ghc/9.10.3/lib/ghc-9.10.3/bin/ghc-pkg: /lib/i386-linux-gnu/libc.so.6: version `GLIBC_2.28' not found (required by /github/home/.ghcup/tmp/ghcup-d4fc3625/github/home/.ghcup/ghc/9.10.3/lib/ghc-9.10.3/bin/../lib/i386-linux-ghc-9.10.3/libHSghc-internal-9.1003.0-6855-ghc9.10.3.so)
Makefile:249: recipe for target 'update_package_db' failed
make: *** [update_package_db] Error 1