CI: Fix /etc/dnf/dnf.conf for Fedora 39

.github/workflows/build.yml

@@ -164,6 +164,19 @@ jobs:
     container:
       image: fedora:${{matrix.fedora_version}}
     steps:
+      - name: Fix /etc/dnf/dnf.conf
+        if: matrix.fedora_version == '39'
+        run: |
+          dnf_conf_main=$(grep '^\[main\]$' /etc/dnf/dnf.conf 2>/dev/null || true)
+          if [ "${dnf_conf_main}" = "" ]; then
+            echo "[main]" > /etc/dnf/dnf.conf
+            echo "gpgcheck=True" >> /etc/dnf/dnf.conf
+            echo "installonly_limit=3" >> /etc/dnf/dnf.conf
+            echo "clean_requirements_on_remove=True" >> /etc/dnf/dnf.conf
+            echo "best=False" >> /etc/dnf/dnf.conf
+            echo "skip_if_unavailable=True" >> /etc/dnf/dnf.conf
+            echo "tsflags=nodocs" >> /etc/dnf/dnf.conf
+          fi
       - name: Update repositories
         run: dnf update -y
       - name: Upgrade packages