Bump com.google.guava:guava from 33.3.1-jre to 33.4.0-jre (#633)

Bumps [com.google.guava:guava](https://github.com/google/guava) from 33.3.1-jre to 33.4.0-jre.
- [Release notes](https://github.com/google/guava/releases)
- [Commits](https://github.com/google/guava/commits)

---
updated-dependencies:
- dependency-name: com.google.guava:guava
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

build.gradle

@@ -68,7 +68,7 @@ dependencies {
     api 'org.springframework.boot:spring-boot-starter-thymeleaf'
 
     implementation 'org.springframework.integration:spring-integration-ws:6.4.0'
-    implementation 'com.google.guava:guava:33.3.1-jre'
+    implementation 'com.google.guava:guava:33.4.0-jre'
     implementation 'org.springframework.boot:spring-boot-starter-web'
     implementation 'org.springframework.boot:spring-boot-starter-validation'
     implementation 'org.springframework.boot:spring-boot-starter-security'