Bump org.springframework.boot:spring-boot-maven-plugin (#86)

Author: dependabot[bot]

pom.xml

@@ -43,7 +43,7 @@
         <maven.compiler.source>${java.version}</maven.compiler.source>
         <maven.compiler.target>${java.version}</maven.compiler.target>
 
-        <maven-spring-boot-plugin.version>3.3.3</maven-spring-boot-plugin.version>
+        <maven-spring-boot-plugin.version>3.3.4</maven-spring-boot-plugin.version>
         <maven-compiler-plugin.version>3.13.0</maven-compiler-plugin.version>
         <maven-surefire-plugin.version>3.5.0</maven-surefire-plugin.version>
         <maven-failsafe-plugin.version>3.5.0</maven-failsafe-plugin.version>