Update build artifact path and Dependabot directories

Updated the artifact path in the workflow file to `build/libs/*` for consistency. Modified Dependabot configuration to include the root directory and removed the `plugin` directory for updates.

.github/dependabot.yml

@@ -7,7 +7,7 @@ version: 2
 updates:
   - package-ecosystem: "gradle" # See documentation for possible values
     directories: # Location of package manifests
+      - "/"
       - "api"
-      - "plugin"
     schedule:
       interval: "daily"

.github/workflows/build.yml

@@ -30,5 +30,5 @@ jobs:
       - name: Upload a Build Artifact
         uses: actions/upload-artifact@v4
         with:
-          path: plugin/build/libs/*
+          path: build/libs/*
           if-no-files-found: error