Bump the gradle group across 1 directory with 2 updates (#36)

Bumps the gradle group with 2 updates in the / directory: [org.springframework:spring-webmvc](https://github.com/spring-projects/spring-framework) and [io.undertow:undertow-core](https://github.com/undertow-io/undertow).


Updates `org.springframework:spring-webmvc` from 6.2.17 to 6.2.18
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v6.2.17...v6.2.18)

Updates `io.undertow:undertow-core` from 2.3.21.Final to 2.4.0.Final
- [Release notes](https://github.com/undertow-io/undertow/releases)
- [Commits](undertow-io/undertow@2.3.21.Final...2.4.0.Final)

---
updated-dependencies:
- dependency-name: org.springframework:spring-webmvc
  dependency-version: 6.2.18
  dependency-type: direct:production
  dependency-group: gradle
- dependency-name: io.undertow:undertow-core
  dependency-version: 2.4.0.Final
  dependency-type: direct:production
  dependency-group: gradle
...

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

Author: dependabot[bot]

build.gradle

@@ -22,8 +22,8 @@ allprojects {
         javaxwsrsapiVersion = "2.1.1"
         protobufVersion = "3.25.5"
         slf4jVersion = "2.0.17"
-        springVersion = "6.2.17"
-        undertowVersion = "2.3.21.Final"
+        springVersion = "6.2.18"
+        undertowVersion = "2.4.0.Final"
 
         // testing
         approvaltestsVersion = "24.22.0"