Remove updating build dependencies from dependabot.yml

.github/dependabot.yml

@@ -1,61 +1,16 @@
 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
-  maven-central:
-    type: maven-repository
-    url: https://repo1.maven.org/maven2/
-    username: dummy # Required by dependabot
-    password: dummy # Required by dependabot
 updates:
   - package-ecosystem: "github-actions"
     directory: "/"
     target-branch: "1.9.x" # oldest supported branch
     schedule:
       interval: "weekly"
-# Build dependencies; only target the oldest supported branch
-  - package-ecosystem: "gradle"
-    directory: "/"
-    schedule:
-      interval: daily
-    target-branch: "1.9.x"
-    groups:
-      netflix-plugins:
-        patterns:
-          - "com.netflix.nebula*"
-        update-types:
-          - minor
-          - patch
-    allow:
-      - dependency-name: "gradle.plugin.com.hierynomus.gradle.plugins*"
-      - dependency-name: "com.netflix.nebula*"
-      - dependency-name: "io.spring.nohttp*"
-      - dependency-name: "io.github.gradle-nexus*"
-      - dependency-name: "io.spring.javaformat*"
-      - dependency-name: "me.champeau.gradle*"
-      - dependency-name: "de.undercouch:gradle*"
-      - dependency-name: "com.diffplug.spotless*"
-      - dependency-name: "biz.aQute.bnd:biz.aQute.bnd.gradle*"
-      - dependency-name: "io.spring.ge.conventions*"
-      - dependency-name: "com.gradle*"
-      - dependency-name: "org.gradle*"
-    ignore:
-      # only upgrade minor and patch versions for build dependencies
-      - dependency-name: "*"
-        update-types:
-          - version-update:semver-major
-    registries:
-      - gradle-plugin-portal
-      - maven-central
 # Non-build dependencies; target every supported branch
   - package-ecosystem: gradle
-    directory: /gradle
+    directory: "/"
     schedule:
       interval: daily
-    target-branch: 1.9.x
+    target-branch: "1.9.x"
     milestone: 136
     ignore:
       # only upgrade patch versions
@@ -64,10 +19,10 @@ updates:
           - version-update:semver-major
           - version-update:semver-minor
   - package-ecosystem: gradle
-    directory: /gradle
+    directory: "/"
     schedule:
       interval: daily
-    target-branch: 1.10.x
+    target-branch: "1.10.x"
     milestone: 159
     ignore:
       # only upgrade patch versions
@@ -76,10 +31,10 @@ updates:
           - version-update:semver-major
           - version-update:semver-minor
   - package-ecosystem: gradle
-    directory: /gradle
+    directory: "/"
     schedule:
       interval: daily
-    target-branch: 1.11.x
+    target-branch: "1.11.x"
     milestone: 206
     ignore:
       # only upgrade patch versions
@@ -88,10 +43,10 @@ updates:
           - version-update:semver-major
           - version-update:semver-minor
   - package-ecosystem: gradle
-    directory: /gradle
+    directory: "/"
     schedule:
       interval: daily
-    target-branch: main
+    target-branch: "main"
     milestone: 185
     ignore:
       # upgrade minor and patch versions on main