[GHA] Decrease Windows test timeout to 120 minutes (pytorch#89694)

This PR decreases the Windows tests pipelines timeout to 120 mins per discusison as requested at pytorch#73489 (comment)

Closes pytorch#73489.
Pull Request resolved: pytorch#89694
Approved by: https://github.com/kit1980

.github/workflows/_win-test.yml

@@ -56,7 +56,7 @@ jobs:
       matrix: ${{ fromJSON(needs.filter.outputs.test-matrix) }}
       fail-fast: false
     runs-on: ${{ matrix.runner }}
-    timeout-minutes: 300
+    timeout-minutes: 120
     steps:
       - name: Enable git symlinks on Windows
         shell: bash