Update dependency org.springframework.boot:spring-boot-starter-parent to v4.0.4 (#325)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pom.xml

@@ -9,7 +9,7 @@ SPDX-License-Identifier: MIT
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>4.0.3</version>
+        <version>4.0.4</version>
     </parent>
     <groupId>nl.b3p.pmw</groupId>
     <artifactId>planmonitor-wonen-api</artifactId>