ci: try fedora 39 again

Author: chyyran

.github/workflows/publish-obs.yml

@@ -10,17 +10,21 @@ jobs:
   publish-obs:
     if: github.repository == 'SnowflakePowered/librashader'
     runs-on: ubuntu-latest
-    container: opensuse/leap:15.6
+    container: fedora:39
     steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Install nightly Rust
+        uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: nightly
       - name: Install OSC and dependencies
         env:
           OBS_CONFIG: ${{ secrets.OBS_CONFIG }}
         run: |
-          zypper install -y osc obs-service-obs_scm obs-service-cargo cargo python-zstandard cargo-packaging sudo tar git
+          sudo dnf install -y osc obs-service-obs_scm obs-service-cargo_vendor python3-zstandard
           mkdir -p ~/.config/osc
           echo "$OBS_CONFIG" > ~/.config/osc/oscrc
-      - name: Checkout repository
-        uses: actions/checkout@v4
       - name: Checkout Open Build Service repository
         run: |
           osc co home:chyyran:librashader/librashader