Add dependabot.yml configuration

Author: kailash-b

.github/dependabot.yml

@@ -0,0 +1,58 @@
+version: 2
+updates:
+  - package-ecosystem: "nuget"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    open-pull-requests-limit: 5
+    reviewers:
+      - "auth0/dx-sdks-approver"
+    assignees:
+      - "auth0/dx-sdks-approver"
+    commit-message:
+      prefix: "chore(deps)"
+      include: "scope"
+    labels:
+      - "dependencies"
+      - "nuget"
+
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    open-pull-requests-limit: 3
+    reviewers:
+      - "auth0/dx-sdks-approver"
+    assignees:
+      - "auth0/dx-sdks-approver"
+    commit-message:
+      prefix: "chore(deps)"
+      include: "scope"
+    labels:
+      - "dependencies"
+      - "npm"
+    # Only security updates for npm since they're dev dependencies
+    # for build scripts and not critical for library functionality
+    allow:
+      - dependency-type: "direct"
+        update-type: "version-update:semver-patch"
+      - dependency-type: "direct"
+        update-type: "version-update:semver-minor"
+      - dependency-type: "indirect"
+        update-type: "security-update"
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    open-pull-requests-limit: 3
+    reviewers:
+      - "auth0/dx-sdks-approver"
+    assignees:
+      - "auth0/dx-sdks-approver"
+    commit-message:
+      prefix: "chore(deps)"
+      include: "scope"
+    labels:
+      - "dependencies"
+      - "github-actions"