updater: add an entry for chocolatey package

iterative/chocolatey-dvc#1

Author: efiop

dvc/updater.py

@@ -136,6 +136,7 @@ def _get_update_instructions(self):
                 "3. Download and install new binary"
             ),
             "conda": "Run {yellow}conda{reset} update dvc",
+            "choco": "Run {yellow}choco{reset} upgrade dvc",
             None: (
                 "Find the latest release at\n{blue}"
                 "https://github.com/iterative/dvc/releases/latest"