Try to fix up Windows CI

Author: rocky

.github/workflows/macos.yml

@@ -19,7 +19,7 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
-    - name: Install ICU dependencies
+    - name: Set ICU version
       run: |
         echo "PKG_CONFIG_PATH=$(brew --prefix icu4c)/lib/pkgconfig" >> $GITHUB_ENV
     - name: Install dependencies

.github/workflows/windows.yml

@@ -19,8 +19,12 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
+    - name: Set ICU version
+      run: |
+        echo "ICU_VERSION=73.2" >> $GITHUB_ENV
     - name: Install dependencies
       run: |
+        choco install icu4c --version=73.2
         python -m pip install --upgrade pip
         python -m pip install pytest
         # python -m pip install -e git+https://github.com/Mathics3/mathics-scanner#egg=Mathics-Scanner
@@ -30,7 +34,7 @@ jobs:
         # bash admin-tools/make-JSON-tables.sh
         # cd ..
         # python -m pip install -e git+https://github.com/Mathics3/Mathics3-Module-Base#egg=Mathics3-Module-Base
-    - name: Install Mathic3 PyICU Module
+    - name: Install Mathics3 PyICU Module
       run: |
         python -m pip install Mathics3 PyICU
         python -m pip install --no-build-isolation -e .