feat: add mold for linux

Also use pixi more in `end-to-end` test

.github/workflows/end-to-end.yml

@@ -29,16 +29,11 @@ jobs:
       - name: Checkout source code
         uses: actions/checkout@v4
       - uses: Swatinem/rust-cache@v2
-      - uses: dtolnay/rust-toolchain@master
-        with:
-          toolchain: "1.75.0"
       - uses: prefix-dev/[email protected]
-      - if: runner.os == 'macOS'
-        run: pixi global install patchelf
       # build in release mode so that it's reasonably fast to run the tests
-      - run: cargo build --release
-      - run: cargo test --release -p rust-tests -- --test-threads 1
-      - run: pixi run end_to_end_test -s -v
+      - run: pixi run build-release
+      - run: pixi run test-ci
+      - run: pixi run end-to-end-test -s -v
         env:
           PREFIX_DEV_READ_ONLY_TOKEN: ${{ secrets.PREFIX_DEV_READ_ONLY_TOKEN }}
           ANACONDA_ORG_TEST_TOKEN: ${{ secrets.ANACONDA_ORG_TEST_TOKEN }}