[BE][CI] symlink .jenkins to .ci (pytorch#92846)

Pull Request resolved: pytorch#92846
Approved by: https://github.com/malfet, https://github.com/huydhn

Author: janeyx99

.github/workflows/_win-build.yml

@@ -60,6 +60,12 @@ jobs:
               call C:\Jenkins\Miniconda3\Scripts\activate.bat C:\Jenkins\Miniconda3
               call "C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Auxiliary\Build\vcvarsall.bat" x64
 
+      # Duplicated in win-test because this MUST go before a checkout
+      - name: Enable git symlinks on Windows
+        shell: bash
+        run: |
+          git config --global core.symlinks true
+
       # [see note: pytorch repo ref]
       - name: Checkout PyTorch
         uses: pytorch/pytorch/.github/actions/checkout-pytorch@master

.jenkins

@@ -0,0 +1 @@
+.ci