Update manual-deploy-unstable.yml

Testing the version tag and pointing it to v1 as opposed to v1.6.0 to see if the new change in the v1.6.0 release is interpreted with the v1 tag.

.github/workflows/manual-deploy-unstable.yml

@@ -60,7 +60,7 @@ jobs:
             packages: write
         steps:
             - name: Deploy to workshop
-              uses: hathitrust/github_actions/deploy@DEV-1150
+              uses: hathitrust/github_actions/deploy@v1
               with:
                 image: ${{ needs.build-image.outputs.ghc_img }}
                 file: environments/${{ github.event.repository.name }}/testing/web-image.txt