(CI) move compile-web-wasm to own step

.github/workflows/dart.yml

@@ -7,6 +7,20 @@ on:
     branches: [ "develop" ]
 
 jobs:
+  compile-web-wasm:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup CMake
+        uses: jwlawson/actions-setup-cmake@v2
+        with:
+          cmake-version: '3.25.0'  # or 'latest'
+      - name: Setup Emscripten
+        uses: mymindstorm/setup-emsdk@v14
+        with:
+          version: 'latest'
+      - name: Compile web
+        run: make wasm
   dart-tests:
     runs-on: ubuntu-22.04
     steps:
@@ -58,17 +72,6 @@ jobs:
           path: |
             ${{ github.workspace }}/thermion_dart/.dart_tool/thermion_dart/log/build.log
           retention-days: 5
-      - name: Setup CMake
-        uses: jwlawson/actions-setup-cmake@v2
-        with:
-          cmake-version: '3.25.0'  # or 'latest'
-      - name: Setup Emscripten
-        uses: mymindstorm/setup-emsdk@v14
-        with:
-          version: '3.1.45'  # or 'latest'
-      - name: Compile web
-        run: make wasm
-
   flutter_examples:
     name: flutter_examples
     runs-on: macos-latest