ci: Install go-md2man in main workflow

The bootc-ubuntu-setup action doesn't include go-md2man, which is
needed by the Makefile to generate man pages during the build step.
Add explicit installation step for go-md2man after the environment setup.

Assisted-by: Claude Code (Sonnet 4.5)
Signed-off-by: Colin Walters <walters@verbum.org>

Author: cgwalters

.github/workflows/main.yml

@@ -28,6 +28,9 @@ jobs:
       - name: Remove pre-installed bcvk
         run: sudo rm -f /usr/bin/bcvk
 
+      - name: Install go-md2man for man page generation
+        run: sudo apt install -y go-md2man
+
       - name: Setup Rust
         uses: dtolnay/rust-toolchain@stable
 

tests/fixtures/Containerfile

@@ -65,7 +65,7 @@ set -euo pipefail
 echo "Pulling test images..."
 podman pull -q quay.io/fedora/fedora-bootc:42 quay.io/centos-bootc/centos-bootc:stream9 quay.io/centos-bootc/centos-bootc:stream10
 echo "Running ephemeral integration tests..."
-exec /usr/local/bin/cargo-nextest run --archive-file integration-tests.tar.zst --workspace-remap /tests ephemeral
+exec /usr/local/bin/cargo-nextest nextest run --archive-file integration-tests.tar.zst --workspace-remap /tests ephemeral
 EOF
 RUN chmod +x /usr/local/bin/run-tests.sh