ci: fix private repo token.

Author: atombender

.github/workflows/release.yml

@@ -28,11 +28,17 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Configure git for private repos
+        run: git config --global url."https://${{ secrets.CARGO_GIT_TOKEN }}@github.com/".insteadOf "https://github.com/"
+
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
         with:
           targets: ${{ matrix.target }}
 
+      - name: Cache cargo
+        uses: Swatinem/rust-cache@v2
+
       - name: Install cross-compilation tools
         if: matrix.target == 'aarch64-unknown-linux-gnu'
         run: |