[PF-2987]: Bump com.google.guava:guava from 31.1-jre to 33.0.0-jre

Bumps [com.google.guava:guava](https://github.com/google/guava) from 31.1-jre to 33.0.0-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
...

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

stairway-gcp/build.gradle

@@ -20,7 +20,7 @@ dependencies {
 
     // Google dependencies
     constraints {
-        implementation group: 'com.google.guava', name: 'guava', version: '31.1-jre' // "-jre" for Java 8 or higher
+        implementation group: 'com.google.guava', name: 'guava', version: '33.0.0-jre' // "-jre" for Java 8 or higher
     }
     implementation platform('com.google.cloud:libraries-bom:26.0.0') // use common bom
     implementation group: 'com.google.cloud', name: 'google-cloud-pubsub'

stairway/build.gradle

@@ -30,7 +30,7 @@ dependencies {
 
     // Google dependencies
     constraints {
-        implementation group: 'com.google.guava', name: 'guava', version: '31.1-jre' // "-jre" for Java 8 or higher
+        implementation group: 'com.google.guava', name: 'guava', version: '33.0.0-jre' // "-jre" for Java 8 or higher
     }
     implementation platform('com.google.cloud:libraries-bom:26.0.0') // use common bom
     implementation group: 'com.google.cloud', name: 'google-cloud-pubsub'