fix (ci): 移除 ubuntu 支持

Author: qianmoQ

.github/workflows/pre-check.yml

@@ -68,7 +68,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        platform: [ ubuntu-latest, macos-latest, windows-latest ]
+        platform: [ macos-latest, windows-latest ]
 
     steps:
       - name: Checkout repository
@@ -85,11 +85,6 @@ jobs:
         with:
           workspaces: src-tauri
 
-      - name: Install system dependencies (Ubuntu)
-        if: matrix.platform == 'ubuntu-latest'
-        run: |
-          sudo apt-get update
-
       - name: Rust format check
         run: cargo fmt --all --manifest-path src-tauri/Cargo.toml -- --check