build(deps): bump org.springframework.boot:spring-boot-starter-thymeleaf (#3520)

Bumps [org.springframework.boot:spring-boot-starter-thymeleaf](https://github.com/spring-projects/spring-boot) from 3.4.4 to 4.0.6.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.4.4...v4.0.6)

---
updated-dependencies:
- dependency-name: org.springframework.boot:spring-boot-starter-thymeleaf
  dependency-version: 4.0.6
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

page-controller/pom.xml

@@ -56,7 +56,7 @@
     <dependency>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-starter-thymeleaf</artifactId>
-        <version>3.4.4</version>
+        <version>4.0.6</version>
     </dependency>
     <dependency>
       <groupId>org.junit.jupiter</groupId>