Update dependency org.springframework.boot:spring-boot-maven-plugin to v2.7.16

Author: renovate[bot]

pom.xml

@@ -22,7 +22,7 @@
         <junit.version>4.13.2</junit.version>
         <junit-dataprovider.version>1.13.1</junit-dataprovider.version>
         <maven-compiler-plugin.version>3.10.1</maven-compiler-plugin.version>
-        <spring-boot-plugin.version>2.7.1</spring-boot-plugin.version>
+        <spring-boot-plugin.version>2.7.16</spring-boot-plugin.version>
         <system-rules.version>1.19.0</system-rules.version>
         <maven-surefire-plugin.version>2.22.2</maven-surefire-plugin.version>
     </properties>