Update dependabot and Gradle files

This commit changes the dependency-management plugin in Gradle
build files so that the version number is not set excplicitly
but rather managed by Boot.

Author: Robert McNees

.github/dependabot.yml

@@ -21,7 +21,7 @@ updates:
       - "/initial"
       - "/complete"
     ignore:
-      - dependency-name: "org.springframework.*"
+      - dependency-name: "*"
         update-types: ["version-update:semver-patch"]
     schedule:
       interval: "monthly"

complete/build.gradle

@@ -1,9 +1,10 @@
 plugins {
 	id 'org.springframework.boot' version '3.3.0'
-	id 'io.spring.dependency-management' version '1.1.5'
 	id 'java'
 }
 
+apply plugin: 'io.spring.dependency-management'
+
 group = 'com.example'
 version = '0.0.1-SNAPSHOT'
 sourceCompatibility = '17'

initial/build.gradle

@@ -1,9 +1,10 @@
 plugins {
 	id 'org.springframework.boot' version '3.3.0'
-	id 'io.spring.dependency-management' version '1.1.5'
 	id 'java'
 }
 
+apply plugin: 'io.spring.dependency-management'
+
 group = 'com.example'
 version = '0.0.1-SNAPSHOT'
 sourceCompatibility = '17'