Update deploy_v2.yml

Setting fetch-depth to 0 to support the git-revision-date plugin.

Author: Frichetten

.github/workflows/deploy_v2.yml

@@ -11,6 +11,8 @@ jobs:
       GH_TOKEN: ${{ secrets.GH_TOKEN }}
     steps:
       - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
       - uses: actions/setup-python@v2
         with:
           python-version: 3.x