Add Dependabot configuration

Signed-off-by: Matthieu MOREL <matthieu.morel35@gmail.com>

Author: mmorel-35

.github/dependabot.yml

@@ -0,0 +1,35 @@
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+version: 2
+updates:
+  - package-ecosystem: bazel
+    directory: /
+    schedule:
+      interval: weekly
+  - package-ecosystem: cargo
+    directories:
+      - /
+      - examples/envoy_filter_metadata
+      - examples/grpc_auth_random
+      - examples/hello_world
+      - examples/http_auth_random
+      - examples/http_body
+      - examples/http_config
+      - examples/http_headers
+    schedule:
+      interval: weekly
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly