ci: Install Rust once before Node.js matrix setup

Ticket: BTC-1845
Co-authored-by: aider <[email protected]>

Author: OttoAllmendinger

.github/workflows/ci.yml

@@ -25,16 +25,16 @@ jobs:
         with:
           ref: ${{ github.event.pull_request.head.sha }}
 
-      - name: Setup node ${{ matrix.node-version }}
-        uses: actions/setup-node@v3
-        with:
-          node-version: ${{ matrix.node-version }}
-
       - name: Install Rust
         uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: nightly
 
+      - name: Setup node ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+
       - name: Install wasm-pack
         run: |
           rustup component add rustfmt