Configure dependabot to update dependency version

In addtion to adding a dependabot configuration file, this commit
also modifies gradle files so that dependabot will find and update
the versions correctly. Jenkins references were removed as the
project now uses GitHub Actions for CI.

.github/dependabot.yml

@@ -0,0 +1,36 @@
+version: 2
+updates:
+
+  - package-ecosystem: "maven"
+    directories:
+      - "/initial/configuration-client"
+      - "/initial/configuration-service"
+      - "/complete/configuration-client"
+      - "/complete/configuration-service"
+    ignore:
+      - dependency-name: "*"
+        update-types: ["version-update:semver-patch"]
+    schedule:
+      interval: "monthly"
+    target-branch: "main"
+    groups:
+      guide-dependencies-maven:
+        patterns:
+          - "*"
+
+  - package-ecosystem: "gradle"
+    directories:
+      - "/initial/configuration-client"
+      - "/initial/configuration-service"
+      - "/complete/configuration-client"
+      - "/complete/configuration-service"
+    ignore:
+      - dependency-name: "*"
+        update-types: ["version-update:semver-patch"]
+    schedule:
+      interval: "monthly"
+    target-branch: "main"
+    groups:
+      guide-dependencies-gradle:
+        patterns:
+          - "*"

complete/configuration-client/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'
@@ -14,7 +15,7 @@ repositories {
 }
 
 ext {
-	set('springCloudVersion', "2023.0.2")
+	springCloudVersion = '2023.0.2'
 }
 
 dependencies {

complete/configuration-service/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'
@@ -14,7 +15,7 @@ repositories {
 }
 
 ext {
-	set('springCloudVersion', "2023.0.2")
+	springCloudVersion = '2023.0.2'
 }
 
 dependencies {

initial/configuration-client/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'
@@ -14,7 +15,7 @@ repositories {
 }
 
 ext {
-	set('springCloudVersion', "2023.0.2")
+	springCloudVersion = '2023.0.2'
 }
 
 dependencies {

initial/configuration-service/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'
@@ -14,7 +15,7 @@ repositories {
 }
 
 ext {
-	set('springCloudVersion', "2023.0.2")
+	springCloudVersion = '2023.0.2'
 }
 
 dependencies {