Update dependency org.springframework.boot:spring-boot-starter-parent to v4

Author: renovate[bot]

order-service/pom.xml

@@ -5,7 +5,7 @@
  <parent>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-parent</artifactId>
- <version>3.5.9</version>
+ <version>4.0.1</version>
  <relativePath/>
  </parent>
  <modelVersion>4.0.0</modelVersion>

payment-service/pom.xml

@@ -5,7 +5,7 @@
  <parent>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-parent</artifactId>
- <version>3.5.9</version>
+ <version>4.0.1</version>
  <relativePath/>
  </parent>
  <modelVersion>4.0.0</modelVersion>

stock-service/pom.xml

@@ -5,7 +5,7 @@
  <parent>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-parent</artifactId>
- <version>3.5.9</version>
+ <version>4.0.1</version>
  <relativePath/>
  </parent>
  <modelVersion>4.0.0</modelVersion>