Merge pull request #1286 from smallrye/ci/dependabot-3x-and-grouping

fix(ci): dependabot to target main and 3.x

Author: jponge

.github/dependabot.yml

@@ -1,11 +1,53 @@
 version: 2
 updates:
-- package-ecosystem: maven
-  directory: "/"
-  schedule:
-    interval: daily
-  open-pull-requests-limit: 10
-- package-ecosystem: github-actions
-  directory: "/"
-  schedule:
-    interval: weekly
+  # main branch
+  - package-ecosystem: maven
+    directory: "/"
+    target-branch: main
+    schedule:
+      interval: daily
+    open-pull-requests-limit: 10
+    commit-message:
+      prefix: "build(deps)"
+    groups:
+      minor-and-patch:
+        update-types:
+          - minor
+          - patch
+  - package-ecosystem: github-actions
+    directory: "/"
+    target-branch: main
+    schedule:
+      interval: weekly
+    commit-message:
+      prefix: "build(deps)"
+    groups:
+      actions:
+        patterns:
+          - "*"
+
+  # 3.x branch
+  - package-ecosystem: maven
+    directory: "/"
+    target-branch: "3.x"
+    schedule:
+      interval: daily
+    open-pull-requests-limit: 10
+    commit-message:
+      prefix: "build(deps)"
+    groups:
+      minor-and-patch:
+        update-types:
+          - minor
+          - patch
+  - package-ecosystem: github-actions
+    directory: "/"
+    target-branch: "3.x"
+    schedule:
+      interval: weekly
+    commit-message:
+      prefix: "build(deps)"
+    groups:
+      actions:
+        patterns:
+          - "*"