Bump truthVersion from 1.4.0 to 1.4.2

Bumps `truthVersion` from 1.4.0 to 1.4.2.

Updates `com.google.truth:truth` from 1.4.0 to 1.4.2
- [Release notes](https://github.com/google/truth/releases)
- [Commits](google/truth@v1.4.0...v1.4.2)

Updates `com.google.truth.extensions:truth-proto-extension` from 1.4.0 to 1.4.2

---
updated-dependencies:
- dependency-name: com.google.truth:truth
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: com.google.truth.extensions:truth-proto-extension
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build.gradle

@@ -31,7 +31,7 @@ group = 'com.google.cloud.solutions'
 version = '0.1.1-SNAPSHOT'
 
 def floggerVersion = "0.8"
-def truthVersion = "1.4.0"
+def truthVersion = "1.4.2"
 def protobufVersion = "3.25.2"
 
 configurations {