Switch from pnpm to Bun; install Rust through mise; update Tauri packages on both sides

scripts/ci-setup.sh

@@ -16,24 +16,18 @@ fi
 $SUDO apt-get update -q
 $SUDO apt-get install -yq --no-install-recommends "${packages[@]}"
 
-# Rust, cargo-xwin and mise may already be here from the CI cache.
-export PATH="$HOME/.cargo/bin:$HOME/.local/bin:$PATH"
-
-# Rust: not pinned in mise.toml, because mise needs rustup for it.
-if ! command -v cargo >/dev/null; then
-  curl -fsSL https://sh.rustup.rs | sh -s -- -y --profile minimal
-fi
-echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
-export PATH="$HOME/.cargo/bin:$PATH"
+# mise, and the Rust it installs through rustup, may already be here from the CI cache.
+export PATH="$HOME/.cargo/bin:$HOME/.local/bin:$HOME/.local/share/mise/shims:$PATH"
+command -v mise >/dev/null || curl -fsSL https://mise.run | MISE_VERSION=v2026.9.1 sh
+for dir in "$HOME/.cargo/bin" "$HOME/.local/bin" "$HOME/.local/share/mise/shims"; do
+  echo "$dir" >> "$GITHUB_PATH"
+done
+# Node, Bun and Rust, at the versions in mise.toml.
+mise trust && mise install
 
 if [[ "${1:-}" == "--windows" ]]; then
-  rustup target add x86_64-pc-windows-msvc
-  command -v cargo-xwin >/dev/null || cargo install --locked cargo-xwin
+  mise exec -- rustup target add x86_64-pc-windows-msvc
+  command -v cargo-xwin >/dev/null || mise exec -- cargo install --locked cargo-xwin
 fi
 
-command -v mise >/dev/null || curl -fsSL https://mise.run | MISE_VERSION=v2026.9.1 sh
-echo "$HOME/.local/bin" >> "$GITHUB_PATH"
-echo "$HOME/.local/share/mise/shims" >> "$GITHUB_PATH"
-export PATH="$HOME/.local/bin:$HOME/.local/share/mise/shims:$PATH"
-mise trust && mise install
-pnpm install --frozen-lockfile
+bun install --frozen-lockfile