Remove @octokit/plugin-retry from Dependabot ignore list

Author: mbg

.github/dependabot.yml

@@ -8,10 +8,7 @@ updates:
       - Rebuild
     # Ignore incompatible dependency updates
     ignore:
-      # There is a type incompatibility issue between v0.0.9 and our other dependencies.
-      - dependency-name: "@octokit/plugin-retry"
-        versions: ["~6.0.0"]
-      # This is broken due to the way configuration files have changed. 
+      # This is broken due to the way configuration files have changed.
       # This might be fixed when we move to eslint v9.
       - dependency-name: "eslint-plugin-import"
         versions: [">=2.30.0"]