ci: switch to swatinem

Author: GuillaumeLagrange

.github/workflows/ci.yml

@@ -56,11 +56,9 @@ jobs:
         with:
           submodules: true
 
-      - uses: moonrepo/setup-rust@v1
+      - uses: Swatinem/rust-cache@v2
         with:
-          targets: ${{ matrix.job.target }}
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          shared-key: ${{ matrix.job.target }}
 
       - uses: taiki-e/install-action@v2
         with: