Bump Swatinem/rust-cache from 2.6.1 to 2.6.2 (#43)

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -26,7 +26,7 @@ jobs:
         override: true
 
     - name: Rust Cache
-      uses: Swatinem/[email protected].1
+      uses: Swatinem/[email protected].2
 
     - name: Run tests
       uses: actions-rs/cargo@v1