Bump the gradle-dependencies group

Bumps the gradle-dependencies group in /examples/coalescing-bulkloader-reactor with 2 updates: com.gradle.common-custom-user-data-gradle-plugin and [com.google.truth:truth](https://github.com/google/truth).


Updates `com.gradle.common-custom-user-data-gradle-plugin` from 2.0.1 to 2.0.2

Updates `com.google.truth:truth` from 1.4.2 to 1.4.3
- [Release notes](https://github.com/google/truth/releases)
- [Commits](google/truth@v1.4.2...v1.4.3)

---
updated-dependencies:
- dependency-name: com.gradle.common-custom-user-data-gradle-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle-dependencies
- dependency-name: com.google.truth:truth
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

examples/coalescing-bulkloader-reactor/gradle/libs.versions.toml

@@ -2,7 +2,7 @@
 caffeine = "3.1.8"
 junit = "5.11.0-M2"
 reactor = "3.6.7"
-truth = "1.4.2"
+truth = "1.4.3"
 versions = "0.51.0"
 
 [libraries]

examples/coalescing-bulkloader-reactor/settings.gradle.kts

@@ -1,6 +1,6 @@
 plugins {
   id("com.gradle.develocity") version "3.17.5"
-  id("com.gradle.common-custom-user-data-gradle-plugin") version "2.0.1"
+  id("com.gradle.common-custom-user-data-gradle-plugin") version "2.0.2"
   id("org.gradle.toolchains.foojay-resolver-convention") version "0.8.0"
 }