ci(windows): fallback variable assignment for cmd consoles

Author: itssimmons

.github/workflows/build.yml

@@ -23,12 +23,21 @@ jobs:
         with:
           go-version: "1.26"
 
-      - name: Install Bazelisk
+      - name: Install Bazelisk on UNIX/Linux
+        if: matrix.platform != 'windows-latest'
         run: |
           go install github.com/bazelbuild/bazelisk@latest
           echo "$(go env GOPATH)/bin" >> $GITHUB_PATH
           export USE_BAZEL_VERSION=8.3.0
           bazel version
+        
+      - name: Install Bazelisk on Windows
+        if: matrix.platform == 'windows-latest'
+        run: |
+          go install github.com/bazelbuild/bazelisk@latest
+          echo "$(go env GOPATH)\bin" >> $GITHUB_PATH
+          setx USE_BAZEL_VERSION 8.3.0
+          bazel version
 
       - name: Checkout code
         uses: actions/checkout@v3