ci: build js library template on windows

Author: satya164

.github/workflows/build-templates.yml

@@ -42,6 +42,10 @@ jobs:
             type:
               name: library
               language: js
+          - os: windows-latest
+            type:
+              name: library
+              language: js
 
     concurrency:
       group: ${{ github.workflow }}-${{ github.ref }}-${{ matrix.os }}-${{ matrix.type.name }}-${{ matrix.type.language }}
@@ -62,9 +66,13 @@ jobs:
 
       - name: Get working directory
         run: |
-          echo "work_dir=${{ matrix.os }}-${{ matrix.type.name }}-${{ matrix.type.language }}" >> $GITHUB_ENV
+          WORK_DIR=${{ matrix.os }}-${{ matrix.type.name }}-${{ matrix.type.language }}
+
+          echo "work_dir=${WORK_DIR}" >> $GITHUB_ENV # Linux & macOS
+          echo "work_dir=${WORK_DIR}" >> $Env:GITHUB_ENV # Windows
 
       - name: Create library
+        shell: bash
         run: |
           rm -rf ${{ env.work_dir }} # Workaround for tests failing intermittently