Update google.protobuf to v4

[solrbot]

This PR contains the following updates:

Package	Type	Update	Change
com.google.protobuf:protobuf-java-util (source)	dependencies	major	3.25.8 → 4.34.1
com.google.protobuf:protobuf-java (source)	dependencies	major	3.25.8 → 4.34.1

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This PR has been generated by Renovate Bot

[solrbot]

⚠️ Artifact update problem

Renovate failed to update artifacts related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
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The artifact failure details are included below:

File name: undefined

Command failed: ./gradlew resolveAndLockAll --write-locks
ERROR: java version must be between 21 and 23, your version: 25

File name: undefined

Command failed: ./gradlew kotlinUpgradeYarnLock
ERROR: java version must be between 21 and 23, your version: 25

File name: undefined

Command failed: ./gradlew updateLicenses
ERROR: java version must be between 21 and 23, your version: 25