Merge pull request #15 from embulk/fix-dependabot-duplication

Fix weird duplicated declaration in dependabot.yml

Author: dmikurube

.github/dependabot.yml

@@ -5,7 +5,6 @@ updates:
     directory: "/"
     schedule:
       interval: "daily"
-updates:
   - package-ecosystem: "gradle"
     directory: "/"
     schedule: