fix(ci): set up pnpm before the Node cache that needs it in the Android workflow

.github/workflows/android.yml

@@ -99,16 +99,17 @@ jobs:
           cache: true
           cache-dependency-path: go.sum
 
+      # pnpm first: setup-node's pnpm cache needs the executable to exist.
+      - uses: pnpm/action-setup@ea17c68df8912ef543352723c149a84f56e3d413 # v4
+        with:
+          version: 10
+
       - uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7
         with:
           node-version: "24"
           cache: pnpm
           cache-dependency-path: desktop/frontend-next/pnpm-lock.yaml
 
-      - uses: pnpm/action-setup@ea17c68df8912ef543352723c149a84f56e3d413 # v4
-        with:
-          version: 10
-
       - uses: actions/setup-java@cf277c60eb25467037889841efdb72551f06f6c3 # v4
         with:
           distribution: temurin