chore(deps): bump spring-boot.version from 2.7.6 to 2.7.18 (#112)

Bumps `spring-boot.version` from 2.7.6 to 2.7.18.

Updates `org.springframework.boot:spring-boot-dependencies` from 2.7.6 to 2.7.18
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](https://github.com/spring-projects/spring-boot/compare/v2.7.6...v2.7.18)

Updates `org.springframework.boot:spring-boot-maven-plugin` from 2.7.6 to 2.7.18
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](https://github.com/spring-projects/spring-boot/compare/v2.7.6...v2.7.18)

---
updated-dependencies:
- dependency-name: org.springframework.boot:spring-boot-dependencies
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.springframework.boot:spring-boot-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
diff --git a/pom.xml b/pom.xml
index 1bffc64..6d95021 100644
--- a/pom.xml
+++ b/pom.xml
@@ -74,7 +74,7 @@
         <maven.compiler.source>8</maven.compiler.source>
         <maven.compiler.target>8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring-boot.version>2.7.6</spring-boot.version>
+        <spring-boot.version>2.7.18</spring-boot.version>
         <mybatis-spring-boot.version>2.3.2</mybatis-spring-boot.version>
         <nacos.version>2.3.2</nacos.version>
         <rocketmq.version>4.9.8</rocketmq.version>