adding cargo cache to ci build.

Author: alxmrs

.github/workflows/ci-build.yml

@@ -39,6 +39,12 @@ jobs:
           echo "SCCACHE_GHA_ENABLED=true" >> $GITHUB_ENV
           echo "RUSTC_WRAPPER=sccache" >> $GITHUB_ENV
 
+      - name: Cache Cargo
+        uses: actions/cache@v4
+        with:
+          path: ~/.cargo
+          key: cargo-cache-${{ steps.rust-toolchain.outputs.cachekey }}-${{ hashFiles('Cargo.lock') }}
+
       - uses: astral-sh/setup-uv@v5
         with:
           python-version: 3.11