chore: add minimal dependabot config for auto dependency updates\n\nSigned-off-by: Eeshu-Yadav <eeshuyadav123@gmail.com>\n

Signed-off-by: Eeshu-Yadav <eeshuyadav123@gmail.com>

Author: Eeshu-Yadav

.github/dependabot.yml

@@ -0,0 +1,37 @@
+version: 2
+updates:
+  - package-ecosystem: "cargo"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 5
+    commit-message:
+      prefix: "deps"
+    groups:
+      async-ecosystem:
+        patterns:
+          - "tokio*"
+          - "hyper*"
+          - "tower*"
+          - "futures*"
+      protobuf-ecosystem:
+        patterns:
+          - "prost*"
+          - "tonic*"
+      serialization:
+        patterns:
+          - "serde*"
+      tracing-ecosystem:
+        patterns:
+          - "tracing*"
+      rustls-ecosystem:
+        patterns:
+          - "rustls*"
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 3
+    commit-message:
+      prefix: "ci"