Add dependabot configuration

.github/dependabot.yml

@@ -0,0 +1,18 @@
+version: 2
+registries:
+  gradle-plugin-portal:
+    type: maven-repository
+    url: https://plugins.gradle.org/m2
+    username: dummy # Required by dependabot
+    password: dummy # Required by dependabot
+updates:
+  - package-ecosystem: "gradle"
+    directory: "/"
+    registries:
+      - gradle-plugin-portal
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

settings.gradle.kts

@@ -1,13 +1,6 @@
-pluginManagement {
-    plugins {
-        id("com.gradle.enterprise") version "3.16.2"
-        id("com.gradle.enterprise.gradle-enterprise-conventions-plugin") version "0.7.5"
-    }
-}
-
 plugins {
-    id("com.gradle.enterprise")
-    id("com.gradle.enterprise.gradle-enterprise-conventions-plugin")
+    id("com.gradle.enterprise") version "3.16.2"
+    id("com.gradle.enterprise.gradle-enterprise-conventions-plugin") version "0.7.5"
 }
 
 rootProject.name = "develocity-agent-adapters"