Removed docker phase since we don't use it.

Author: redvers

.github/workflows/prepare-for-a-release.yml

@@ -42,14 +42,14 @@ jobs:
         env:
           GIT_USER_NAME: "redvers"
           GIT_USER_EMAIL: "red@contact.red"
-      - name: Switch to using prebuilt docker image to run
-        uses: docker://ghcr.io/ponylang/release-bot-action:0.6.3
-        with:
-          entrypoint: update-action-to-use-docker-image-to-run-action
-        env:
-          GIT_USER_NAME: "redvers"
-          GIT_USER_EMAIL: "red@contact.red"
-          REGISTRY: "ghcr.io"
+#     - name: Switch to using prebuilt docker image to run
+#       uses: docker://ghcr.io/ponylang/release-bot-action:0.6.3
+#       with:
+#         entrypoint: update-action-to-use-docker-image-to-run-action
+#       env:
+#         GIT_USER_NAME: "redvers"
+#         GIT_USER_EMAIL: "red@contact.red"
+#         REGISTRY: "ghcr.io"
 
   # tag for release
   # this will kick off the next stage of the release process