🔥 Remove Dependabot configuration

Signed-off-by: David Barragán Merino <david.barragan@kaleidos.net>

.github/dependabot.yml

@@ -1,20 +0,0 @@
-# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
-version: 2
-updates:
-  # Actions are pinned to a commit SHA with a `# vX.Y.Z` comment; Dependabot
-  # bumps both. All updates are grouped into a single monthly PR.
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "monthly"
-    open-pull-requests-limit: 5
-    labels:
-      - "dependencies"
-      - "team infra"
-      - "no issue required"
-    commit-message:
-      prefix: ":arrow_up:"
-    groups:
-      github-actions:
-        patterns:
-          - "*"