More workflow improvements

.github/workflows/build-and-test-alpha.yml

@@ -108,7 +108,17 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v3
         with:
-          go-version: ${{ matrix.go-version }}
+          go-version: ${{ matrix.go }}
+
+      - name: Setup Golang caches
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cache/go-build
+            ~/go/pkg/mod
+          key: ${{ runner.os }}-golang-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-golang-
 
       - name: Build Wails3 CLI
         run: |