Fix typo in rust-cache action reference

Author: Inkman007

.github/workflows/ci.yml

@@ -38,7 +38,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
-      - uses: Swatinium/rust-cache@v2
+      - uses: Swatinem/rust-cache@v2
       - run: cargo test --workspace
 
   build: