[skip-changelog] Upgrade to GitHub-native Dependabot (#636)

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

.github/dependabot.yml

@@ -0,0 +1,20 @@
+version: 2
+updates:
+- package-ecosystem: gomod
+  directory: "/"
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 10
+  ignore:
+  - dependency-name: go.bug.st/serial
+    versions:
+    - 1.1.2
+    - 1.1.3
+  - dependency-name: github.com/sirupsen/logrus
+    versions:
+    - 1.7.1
+- package-ecosystem: github-actions
+  directory: "/"
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 10