Smaller cache

Author: bcarlet

.github/workflows/test.yml

@@ -22,8 +22,9 @@ jobs:
     - uses: actions/cache@v4
       with:
         path: |
-          ~/.cargo/registry
-          ~/.cargo/git
+          ~/.cargo/registry/index
+          ~/.cargo/registry/cache
+          ~/.cargo/git/db
           target
         key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
     - name: Build