fixup! Unified windows build

Author: mshabunin

.github/workflows/OCV-PR-Windows.yaml

@@ -95,10 +95,12 @@ jobs:
         export
         whoami
         id
-        cygpath -u "$BINARIES_CACHE"
-        cygpath -u "$GIT_CACHE"
-        echo "BINARIES_CACHE = ${{ env.BINARIES_CACHE }}"
-        echo "GIT_CACHE = ${{ env.GIT_CACHE }}"
+        which bash
+        echo "GIT_CACHE=$GIT_CACHE"
+        echo "DNN_MODELS=$DNN_MODELS"
+        echo "BINARIES_CACHE=$BINARIES_CACHE"
+        echo "OPENCV_DOWNLOAD_PATH=$BINARIES_CACHE"
+
 
     - name: Checkout and merge OpenCV
       uses: ./checkout-and-merge
@@ -109,12 +111,12 @@ jobs:
         gitcache: '${{ env.GIT_CACHE_PATH }}'
         workdir: '${{ github.workspace }}'
 
-    # - name: Update extra dnn models
-    #   timeout-minutes: 60
-    #   working-directory: '${{ github.workspace }}'
-    #   run: |
-    #     ls -lR ${{ env.BINARIES_CACHE }}
-    #     python3 opencv_extra\\testdata\\dnn\\download_models.py \
-    #       --cleanup \
-    #       --dst '${{ env.BINARIES_CACHE }}\\dnn'
-    #     echo "OPENCV_DNN_TEST_DATA_PATH=${{ env.BINARIES_CACHE }}" >> $GITHUB_ENV
+    - name: Update extra dnn models
+      timeout-minutes: 60
+      working-directory: '${{ github.workspace }}'
+      run: |
+        ls -lR ${{ env.BINARIES_CACHE }}
+        python3 opencv_extra/testdata/dnn/download_models.py \
+          --cleanup \
+          --dst '${{ env.BINARIES_CACHE }}/dnn'
+        echo "OPENCV_DNN_TEST_DATA_PATH=${{ env.BINARIES_CACHE }}" >> $GITHUB_ENV