build(deps): bump mybatis-plus.version in /services

Bumps `mybatis-plus.version` from 3.5.15 to 3.5.16.

Updates `com.baomidou:mybatis-plus-spring-boot4-starter` from 3.5.15 to 3.5.16
- [Release notes](https://github.com/baomidou/mybatis-plus/releases)
- [Changelog](https://github.com/baomidou/mybatis-plus/blob/3.0/CHANGELOG.md)
- [Commits](https://github.com/baomidou/mybatis-plus/compare/v3.5.15...v3.5.16)

Updates `com.baomidou:mybatis-plus-jsqlparser` from 3.5.15 to 3.5.16
- [Release notes](https://github.com/baomidou/mybatis-plus/releases)
- [Changelog](https://github.com/baomidou/mybatis-plus/blob/3.0/CHANGELOG.md)
- [Commits](https://github.com/baomidou/mybatis-plus/compare/v3.5.15...v3.5.16)

---
updated-dependencies:
- dependency-name: com.baomidou:mybatis-plus-spring-boot4-starter
  dependency-version: 3.5.16
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: com.baomidou:mybatis-plus-jsqlparser
  dependency-version: 3.5.16
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/ci-java.yml

@@ -10,7 +10,7 @@ jobs:
   maven:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v4
         with:
           distribution: temurin

.github/workflows/ci-native.yml

@@ -14,7 +14,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
       - name: Set up JDK (JNI)
         uses: actions/setup-java@v4
         with:

.github/workflows/ci-platform.yml

@@ -20,7 +20,7 @@ jobs:
   maven-services:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v4
         with:
           distribution: temurin
@@ -41,7 +41,7 @@ jobs:
   web-ui-build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
           node-version: "20"

.github/workflows/ci-security.yml

@@ -20,7 +20,7 @@ jobs:
           - scan-ref: services
           - scan-ref: java
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
       - name: Run Trivy filesystem scan
         uses: aquasecurity/trivy-action@0.28.0
         with:
@@ -41,7 +41,7 @@ jobs:
       run:
         working-directory: web/delivery-platform-ui
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
           node-version: "20"

.github/workflows/release.yml

@@ -9,7 +9,7 @@ jobs:
   placeholder:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
       - name: Tag pushed
         run: |
           echo "Release workflow placeholder — attach native ZIP & Maven publish in later milestone."

.github/workflows/sdk-release-checksums.yml

@@ -8,7 +8,7 @@ jobs:
   checksums:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v4
         with:
           distribution: temurin

services/pom.xml

@@ -20,7 +20,7 @@
         <java.version>17</java.version>
         <spring-boot.version>4.0.0</spring-boot.version>
         <!-- 平台数据访问：PostgreSQL 15 + MyBatis-Plus（Spring Boot 4 用 boot4-starter） -->
-        <mybatis-plus.version>3.5.15</mybatis-plus.version>
+        <mybatis-plus.version>3.5.16</mybatis-plus.version>
     </properties>
 
     <!--