CI: Install libnuma-dev for old GHC bindists

Some older GHC binary distributions (notably 9.0.2) depend on it. See https://gitlab.haskell.org/ghc/ghc/-/issues/15688

Author: avdv

.github/workflows/patch-test.yaml

@@ -62,6 +62,10 @@ jobs:
           machine api.github.com
                   password ${{ secrets.GITHUB_TOKEN }}
           EOF
+      - uses: ./.github/actions/install_apt_pkgs
+        with:
+          # some old ghc distributions require libnuma, see https://gitlab.haskell.org/ghc/ghc/-/issues/15688
+          packages: libnuma-dev
       - name: Build & test
         shell: bash
         run: |