Bump the development-dependencies group with 2 updates (#9470)

Bumps the development-dependencies group with 2 updates: org.apache.tomcat.embed:tomcat-embed-websocket and [io.spring.develocity.conventions](https://github.com/spring-io/develocity-conventions).


Updates `org.apache.tomcat.embed:tomcat-embed-websocket` from 10.1.28 to 10.1.29

Updates `io.spring.develocity.conventions` from 0.0.20 to 0.0.21
- [Release notes](https://github.com/spring-io/develocity-conventions/releases)
- [Commits](https://github.com/spring-io/develocity-conventions/compare/v0.0.20...v0.0.21)

---
updated-dependencies:
- dependency-name: org.apache.tomcat.embed:tomcat-embed-websocket
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
- dependency-name: io.spring.develocity.conventions
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
...

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

build.gradle

@@ -118,7 +118,7 @@ ext {
     springVersion = '6.1.12'
     springWsVersion = '4.0.11'
     testcontainersVersion = '1.19.8'
-    tomcatVersion = '10.1.28'
+    tomcatVersion = '10.1.29'
     xmlUnitVersion = '2.9.1'
     xstreamVersion = '1.4.20'
     ztZipVersion = '1.17'

settings.gradle

@@ -7,7 +7,7 @@ pluginManagement {
 
 plugins {
 	id 'com.gradle.develocity' version '3.17.6'
-	id 'io.spring.develocity.conventions' version '0.0.20'
+	id 'io.spring.develocity.conventions' version '0.0.21'
 }
 
 rootProject.name = 'spring-integration'