removes ubuntu job

.github/workflows/release.yml

@@ -10,19 +10,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        platform: [macos-latest, ubuntu-20.04, windows-latest]
+        platform: [macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
 
-      - name: Install dependencies (ubuntu only)
-        if: matrix.platform == 'ubuntu-20.04'
-        # You can remove libayatana-appindicator3-dev if you don't use the system tray feature.
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y libgtk-3-dev libwebkit2gtk-4.0-dev libayatana-appindicator3-dev librsvg2-dev
-
       - name: Rust setup
         uses: dtolnay/rust-toolchain@stable