ci(dependabot): allow github-actions major bumps (#8)

Remove the semver-major ignore from the github-actions ecosystem so action major upgrades (Node-runtime bumps) get PRs. npm/docker majors stay gated.

Author: GeiserX

.github/dependabot.yml

@@ -1,23 +1,19 @@
 version: 2
 updates:
-- package-ecosystem: github-actions
-  directory: /
-  schedule:
-    interval: monthly
-  commit-message:
-    prefix: ci
-  labels:
-  - ci
-  - automated
-  groups:
-    github-actions:
-      patterns:
-      - '*'
-    github_actions_security:
-      applies-to: security-updates
-      patterns:
-      - '*'
-  ignore:
-  - dependency-name: '*'
-    update-types:
-    - version-update:semver-major
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: monthly
+    commit-message:
+      prefix: ci
+    labels:
+      - ci
+      - automated
+    groups:
+      github-actions:
+        patterns:
+          - '*'
+      github_actions_security:
+        applies-to: security-updates
+        patterns:
+          - '*'