Upgrade JDK to 21, Spring Boot to 3.5.13, Spring Cloud to 2025.0.2

- Upgrade JDK from 17 to 21 in pom.xml and CI workflow
- Upgrade Spring Boot from 2.7.9 to 3.5.13
- Upgrade Spring Cloud from 2021.0.5 to 2025.0.2
- Migrate javax.persistence to jakarta.persistence (required for Spring Boot 3.x)
- Update GitHub Actions setup-java from v1 to v4 with temurin distribution

Agent-Logs-Url: https://github.com/eggboy/springcloud-azurefunction/sessions/caac2507-1165-4371-940d-f32da4f8f940

Co-authored-by: eggboy <825593+eggboy@users.noreply.github.com>

Author: Copilot

.github/workflows/codeql.yml

@@ -41,9 +41,10 @@ jobs:
     steps:
     - name: Checkout repository
       uses: actions/checkout@v3
-    - uses: actions/setup-java@v1
+    - uses: actions/setup-java@v4
       with:
-        java-version: 17
+        java-version: 21
+        distribution: temurin
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v2

pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.7.9</version>
+        <version>3.5.13</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <groupId>io.jaylee</groupId>
@@ -14,8 +14,8 @@
     <name>azurefunction</name>
     <description>Demo project for Spring Boot</description>
     <properties>
-        <java.version>17</java.version>
-        <spring-cloud.version>2021.0.5</spring-cloud.version>
+        <java.version>21</java.version>
+        <spring-cloud.version>2025.0.2</spring-cloud.version>
     </properties>
     <dependencies>
         <dependency>

src/main/java/io/jaylee/springcloud/model/User.java

@@ -2,9 +2,9 @@
 
 import lombok.*;
 
-import javax.persistence.Entity;
-import javax.persistence.Id;
-import javax.persistence.Table;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
 import java.time.ZonedDateTime;
 
 @Entity