Bump the maven-dependencies group with 2 updates

Bumps the maven-dependencies group with 2 updates: [org.springframework.boot:spring-boot-starter-parent](https://github.com/spring-projects/spring-boot) and org.jetbrains.kotlin:kotlin-maven-allopen.


Updates `org.springframework.boot:spring-boot-starter-parent` from 3.3.5 to 3.4.0
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.3.5...v3.4.0)

Updates `org.jetbrains.kotlin:kotlin-maven-allopen` from 2.0.21 to 2.1.0

---
updated-dependencies:
- dependency-name: org.springframework.boot:spring-boot-starter-parent
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: maven-dependencies
- dependency-name: org.jetbrains.kotlin:kotlin-maven-allopen
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: maven-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
-    <version>3.3.5</version>
+    <version>3.4.0</version>
     <relativePath /> <!-- lookup parent from repository -->
   </parent>
   <groupId>io.github.stscoundrel</groupId>
@@ -44,7 +44,7 @@
 
   <properties>
     <java.version>17</java.version>
-    <kotlin.version>2.0.21</kotlin.version>
+    <kotlin.version>2.1.0</kotlin.version>
     <maven.compiler.source>17</maven.compiler.source>
     <maven.compiler.target>17</maven.compiler.target>
   </properties>