bridge rust version

.github/workflows/bridge.yml

@@ -8,6 +8,7 @@ on:
 env:
   FLUTTER_VERSION: "3.16.9"
   FLUTTER_RUST_BRIDGE_VERSION: "1.80.1"
+  RUST_VERSION: "1.75" # https://github.com/rustdesk/rustdesk/discussions/7503
 
 jobs:
   generate_bridge:
@@ -49,9 +50,9 @@ jobs:
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@v1
         with:
-          toolchain: stable
+          toolchain: ${{ env.RUST_VERSION }}
           targets: ${{ matrix.job.target }}
-          components: ''
+          components: "rustfmt"
 
       - uses: Swatinem/rust-cache@v2
         with: