chore(ci): configure dependabot (#1113)

* chore(ci): configure dependabot
* Add group for opentelemetry dependencies in Dependabot

Author: hairmare

.github/dependabot.yml

@@ -1,38 +1,30 @@
-
 version: 2
 updates:
-
-  # Update pip dependencies
-  - package-ecosystem: "pip"
-    directory: "/"
+  - package-ecosystem: docker
+    directory: /
     schedule:
-      interval: "daily"
+      interval: daily
     commit-message:
-      prefix: "feat(deps): "
-      prefix-development: "chore(deps): "
-    open-pull-requests-limit: 20
+      prefix: "chore: "
     groups:
-      opentelemetry:
+      baseimages:
         patterns:
-          - "opentelemetry-*"
-
-  # Update Dockerfile
-  - package-ecosystem: "docker"
-    directory: "/"
+          - "*"
+  - package-ecosystem: github-actions
+    directory: /
     schedule:
-      interval: "daily"
+      interval: daily
     commit-message:
-      prefix: "fix(deps): "
+      prefix: "chore(ci): "
     groups:
-      images:
+      actions:
         patterns:
           - "*"
-
-  # Maintain dependencies for GitHub Actions
-  - package-ecosystem: "github-actions"
-    directory: "/"
+  - package-ecosystem: pip
+    directory: /
     schedule:
-      interval: "daily"
-    commit-message:
-      prefix: "chore(ci): "
-    open-pull-requests-limit: 10
+      interval: daily
+    groups:
+      opentelemetry:
+        patterns:
+          - "opentelemetry-*"