feat : dependabot workflow automation for updating dependency (#62)

Signed-off-by: Pratik Raj <[email protected]>

.github/dependabot.yml

@@ -0,0 +1,19 @@
+version: 2
+updates:
+  # Dependencies listed in go.mod
+  - package-ecosystem: "gomod"
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "weekly"
+
+  # Dependencies listed in .github/workflows/*.yml
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+
+  # Dependencies listed in Dockerfile
+  - package-ecosystem: "docker"
+    directory: "/"
+    schedule:
+      interval: "weekly"