Add docbook-xsl to CI packages

This makes sure xsltproc doesn't go to the internet to find the
stylesheet.

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 66c2b2ab2404321428a38d593e572f0d1f443887..f2c506f0871ee706bc9a09203c1146d4ab2d1c93 100644 (file)
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -65,6 +65,7 @@ jobs:
             systemd-container
             xfsprogs
             xsltproc
+            docbook-xsl
 
     - name: Install dependencies (Arch Linux)
       if: matrix.distro == 'arch'