ci: add dependabot.yml

Author: phip1611

.github/dependabot.yml

@@ -0,0 +1,23 @@
+version: 2
+updates:
+    - package-ecosystem: cargo
+      directory: "/"
+      schedule:
+          interval: daily
+      open-pull-requests-limit: 10
+      ignore:
+          - dependency-name: "*"
+            update-types: ["version-update:semver-patch"]
+    - package-ecosystem: cargo
+      directory: "/integration-test/bins"
+      schedule:
+          interval: daily
+      open-pull-requests-limit: 10
+      ignore:
+          - dependency-name: "*"
+            update-types: ["version-update:semver-patch"]
+    - package-ecosystem: github-actions
+      directory: "/"
+      schedule:
+          interval: daily
+      open-pull-requests-limit: 10