message: Clean up after each Windows example build
  The intention is to free up space, since our GHA runners
  use up all available space after building a couple examples.
diff: @@ -77,6 +77,7 @@ jobs:
  foreach ($example in Get-ChildItem -Directory "examples\*") {
  echo "Processing example: $example";
  cargo contract ${{ matrix.job }} --verbose --manifest-path=$example/Cargo.toml;
  + cargo clean --manifest-path=$example/Cargo.toml;
  }
  - name: ${{ matrix.job }} examples on ${{ matrix.platform }}-${{ matrix.toolchain }}
  